INDEX. VOLUME 62, 1977*

Absorption spectra drrdtjrrot rurrL. ARISTAMIN, 1.F. AND R.C. ERD: carbonate minerals 36 hypersthene ]-52 Johachidolite redefined: a chlorite 387 i t hani ra Farri.n 623 calcium-aluminum borate 327 L47 dlopsroe (Dfue, )z) j ennite 366 _, see HURT-BUT,C.S.JR. eardleyite (takoviEe) 454,462 j ohachldolite 328 AristarainiEe, 979 garnets 488 kaersut ite 1039 Armalcolite, high-tenperature K-micas 534 1 iddicoat it e Ll22 .rvcf,l.hpmieirv 973 orthoDvroxene t5l liottite 324 ARRHENTUS,G. Presentation nrtarrz (orcen) 590 magnetite, tiEanif erous 623 of the Roebling Medal 603 takovite 462 melanite 650 Augite Achrenatite, discredited mineral 170 hal^ni^a6nhira 67 exsolution in Pigeonite 79 Agrellite, new mineral (abstr) 173 nonohydr oc a1 c it e 275 exsolution lamellae ln 857 AIILRICHS, J.L. see SERNA, C. 784 nuscovite 1248 lattice parameters 861'869 637 Albite ollvine 958,L02r Tahiti, analyses (abstr) Al-Si disorder in 1232 orthoclase 1193 Aurocuproite, new nineral 593 -- orthopyroxene 899 Aus !ralia L uxrP r crs f u r r f L J 554 otwayite 1000 465 LrJoLdr 921 bustanite Alaska, clinopyroxene negacrysts 1049 ParasPurrrEe 1004 eardleyite 449 pargasite 206 Almandine, rare earths in 899 granulites LO79 plagioclase 899 ninv,ilir6 256 Alstonite, Raman and infrared pyrite L769 999 spectra 36 uLwdy!LE 459 ALTHOFF,P.L.: Structural refine- pyrrhot ite 1050 takovite nents of dolomite and a magne- .,'"rt. loraan) s89 rhrrnl i tia rnn]lc sian 712 334 Anblygonite, infrared spectra 559 samarskite 1010 BABCOCK,L.1-', see RUOTSALA'A.P. 1125 Anesite, order-disorder in 296 scapolite 134 BAILEY, S.W.: Report of the 249 Anphibole, blue \64 schoonerite I.M.A,-1.U,Cr. Joint Comittee Aftnhih^la or^',n schorlomite 650 on Nomenclature 411 I MAechr,,ar cna^rrr 205 serpentine 102 -bhe , review of Proceedings of s tab ility 1,13 tadzhikite 98 fnternatiornl CLaY Anelrrcac nhominrl takovite 462 Coqfez,ence 7375 177 1158 act inol it e 206 texas ite 1007 _, see GUGGENHETM,S. almandine 899 tremolit e 206 Bariopyrochlore, definition 405 ennhihnl a h1 tuscanite ILI2 Barite, solubility and thermo- "a L66 amphiboles 878 ullmannite 369 dynamic data 942 amnhihnli rc< 879,882 ultrabasic and basic rocks 8ei BARTON,P.B. JR': review of aPat ite 899 587 Mel:alLogeny and GLobaL augite 637 vermiculite r230 Tectonics (Walker) 839 banded iron formation 896 rrtfr^^rtci i a 1010 Barylite, crystal structure 167 basalt 635 zektzetite 418 Barytocalcite' Raman and infrared birnessite 28r zaherite L726 spectra 36 bournonit e-selignannite 1098 zinnwaldite 1159 Basalt-trachyte relationship 666 bronzite 152 ANDERSON,J.B. and G.L. SHOffAKER' BAYLISS, P.: Crystal structure burbankite 16r E. KOSTINERand F.A. RUSZALA: refinement of arsenian chalcopyrite 1050 Tho ^rwcirl ctrrrctrrrc oF ullmannire 369 a reflne- chrlstite 424 synthetic Cu5(PO4)2(0H)4, -, Crystal structure 1086,r091 pollnorph of pseudomalachite 115 nent oE a weakly anisotroPic ^ I i n^nvr^vana 1050,899 , see sHoEltAKER, G,r. 1042 pyrite 1168 clinopyroxene sectors 391 Antlite, order-disorder f07 BEDLI\ry, D. see LLAMBIAS, W.J. f32 cordierite 1146 Anorthoclase, rods in kaersutite 1038 BELI-, P.M.: review of The PhAedcs 878 Antarctica and ChemistTA of Rocks and eardleyite (takovlte) 453,1!62 Dufek intrusion 623 Minerals (Strens) 399 eclogites 879 iron-Eitanium oxides 623 BENEKE, K. and G' LAGALY: ferrobustamite I2t7 Antiperthites, inanorthosites 905 I(anemite - intercrystalllne orrhat nori.l^fi fp 844 Apatite, rare earths in 899 reactivity and relations to garnets 878 APPI-B4AN,D,E. see DUNN, P.J. llzL other sodium silicates 763 oafcfh.hni fa Archerite, new mineral (abstr) L057 Benstonite, Raman and infrared or.n;i;iaYifa 548 specEra 36 hellandite 90 ar is Larainite 979 Betafite, definition 405 holdenite 576 eeqnnl i tp L32 Bloti te hornblende 899 Argentocuproaurite, new mineral Maine, composltion 732 hrrirnnhl nrhnri ta 150 (abstr) 593 titanium l-n 438 AMKI, T. see MOORE,P.B. Birnessite, in marine qediments 278 5I'229,5L3,692 BIRNIE, R.W. see WU, I.J. 1"097

* Preparedby Brian Mason and Cvnthia Barnes.Smithsontan lnstitution, Washington,D.C 1268 Bish

BISH, D.L.: Aspectroscopic and CIIAYES, F. cont. Crystal structure, cont. X-ray studx,of the coordina- review of Geologg of the planch6ite 499 tion of Crrr ions in MiddZe AtTon tic Tslands pseudomalachite 1042 chlorites 385 (Mit chel1-Thon6 ) 835 relnerite Il29 and c.W. Brindley: A rein- _, Chenical analyses, see rosenhahnite 503 vestigation of takovite 458 Analyses, chemical samuelsonite 229 Bismutomicrol j Le, detiniEion 405 Chemical potential relation- schoonerite 250 BLENCoE,J,G.: Molal volumes of ships IO12 segelerite 692 synthetic paragonite- CHENEY,J.T. see GUIDOTTI, C.V. 438 shattuckite 499 muscovlte nicas 1200 Chile, hydrochlorborite r47 slawsonite 31 Blomstrandite = uranpyrochlore? 406 Chlorite, CrJ- in 385 tuscanite 1114 BLOUNT, C.W.: Barite solubili- Chroniun, tetravalent, in ullmannite 369 ties and thernodynamic d iop side 522 zinnwaldite 1158 quantities 942 Chrysotile, synthetic 958 Crystal structure and crystal Bond distances, metal-oxygen 309 Chudobaite, new data (abstr) 599 growEh 1034 Bournonite, ,1036 Peru lO97 CLTFF, c. see GARD.J.A, 365 BOVING, P. see GHOSE, S. ll29 Clinopti loJ i Ee, synthesis 330 Bracewellite, new mineral (abstr) 593 Clinopyroxene DAL NEGRO,A and G. R0SS1, BraziI, green 589 exsolution in bustamite 46s V. TAZZOLIT The crystal BREGER,I.A., review of Stachts rare earths in 390 structure of lanthanite I42 Textbook of CoaL Petnologg, sector zoning 899 DAVIES, W.E., review of second edt tiou (Stach et al) 937 Coesite, in kyanite eclogite 828 Principles of Engineering BRIDGE, P.J. see NICKEL, E.H. 449 COHEN,J.P. and F.K. ROSS, Geology (Atrewell and larner) 1263 BRINDLEY,c,W. see BISH, D.L. 458 G,V. GIBBS: an X-ray and DAVIS, C.E,S. see Brocenite, new data (abstr) 397 neutron diffracEion study of NICKEL, E.H. 449,999 BROCKMAN,c.F, see NEILSON, M.J. 7239 hydrous low cordierite 67 Deerite, crystal structure 990 Brogniardite, new data (abstr) 59g Colorado, barylite 167 Density separation, of BROUGHTON,P.L., review of Columbonicrolite = pyrochlore 406 minerals 374,377 CaDe Mine.L'als (HitI) 833 CoLVTLLE, A.A. and P,A. COIVILLE: Derbylite, new dara (abstr) 396 BRoWN,K.L. see MDTKE, A.S. 42L Paraspurrite, a new paramorph Diamond, inclusions ln 583,756 Buchwaldite, new mineral 362 of spurrite 1003 DICKSON, F,W. see RADTKE, A.S. 42L BUNCH,T,E. see OLSEN,E. 362 COLVTLLE, P.A. see COLVILLE,A.A. 1003 Digenite, order-disorder 107 Burbankite, ce11 dinenslons, Connecticut, sphalerite 540 Diopside, synthetic blue 522 composition 15g COOK,L.P. and R.S. ROSS, Dioptase, structurerefinement 807 BUSSELL, M. see NICKEL, E.H. 449 11.S. PARKER, T, NEGAS: The Djalmaite = urannicrolite 406 BUSTAMITE, exsolution in 465 systen K20-AI203-Sl02. Djurleite, order-disorder 107 Part 1. 1180 DODGE. C.see STOFFYN,M. LL73 Cordierite DOLLASE, W.A. and W.P. FREEBORN: analyses rt46 The structure of KAlSlOl, with channel constiEuents in rr44 P65nc symetry 336 CABRI, L.J. see FLEISCHER, t|. 593,I25g X-ray, neutron diffraction 67 , see GOLDMAN.D.S, TI44 Calc io sanarskit e=uranian CORRENS,C.W, Acceptance of Dolonite, yttropyrochlore? 406 the Roebling Medal 604 formation 172 Ca1ifornia CRATC,J.R., review ot Seni- Raman and infrared spectra 36 albite g2L conducting )re MineraLs DONNAY,J.D,H.: review of Les deerite 990 (Shuey) 399 Mineram de Belgique (M61on, hungchaoire 1135 _, see PoPP, R.K. 1,13 Bourguignon, Fransolet) 834 orthoclase 1191 CROOK,W.W. III: Texasice, a DOVAL, M. see LA IGLESIA, A. 1030 uraninite 597 new nineral 1006 Domeyite, new mineral 316 Calorinetry, VpF-^^-^^r!^ -^-- phase-equilibriun 1g9 --.-, ,,rw dara 1009 DoWTY, E.: Crystal structure and CMERON, E.N. : Chronire in the Crystal structure crystal growth: a repfy 1036 Bushveld Conplex 1082 aristarainite g7g DUNCAN,M.A.: Metasrabiliry in CAMERON, W.E.: Mullire: a barylire 767 serpentine-olivine equilibria 1018 substituted alunina 747 calcite (magnesian) 776 DUNN, J.c. see NICKEL, E.H. 449 Canary Tslands, basalt- cordierite 67 DUNN,P.J.: trachyte relationship 666 deerite 99O Achrenatite discredited 170 Cancrinite-davyne group 321 dioptase 807 _, and D.E. APPLmIAN, J.E. CANNON, p.J. B. see DUNN, 416 dolomire 776 NEI,EN: Liddlcoarlre, a new CARLSON, E.L. see SHARP, W,E. L77 ferrobustamite LZI6 calcium end-nember of the Casslterite, var. vood-Ein 100 gillespite 5ZB tnrrrnalina or^,,n LI2L Catoptrite, new (abstr) data 396 harkerire 263 _, and J. NORBERG:Phospho- Ceriopyrochlore, definition 405 heazlewoodite 341 phyl1ite, variation in Ceruleite, new data (absEr., s98 hellandite g9 composition 818 Ceruranopyrochlore = cerian hungchaoire 1135 _, and R.C. ROUSE, B, CANNoN, pyrochlore 406 KAlsiO4 T6 J.A. NELEN: Zektzerite, a new Chalcocite, order-disorder L07 K6LiFe24S26C1 819 liEhium zirconium silicate 416 Chalcolamprite = pyrochlore 406 lanthanite 1,42 CHANG,L.L,Y. and S.N. HODA: nalayire gO1 Phase relations in the system melonjosephite 60 Eardleyite (takovite), PbS-Cu2S-Bi2S3 and rhe stabil- minyulire 256 Australia 449,459 ity of galenobismutite 346 octacalciun phosphate 229 Eglestonite, new data (abstr) 396 CHAO, c,Y. see FLEISCHER, M. 1057 overite 692 Ellsworthite = uranpyrochlore 406 CHAYES, F: The oceanic basalt- paraspurrite 1005 Endeiolite = impure pyrochlore 406 trachyte relatlon in general phosphophyllite gI2 ERD, R.C. see ARISTAMIN, L.F. 327 and in the Canary Islands _r sB€ HURLBUT, C,S.JR. t47 ERLICHMAN,J. see OLSEN, E, 362 ErraEa I2.(j5 Hewitt 1269

EVANS, H.T. JR. review of Galenobismutite 346 GREEN, T.H. and A.R. SPII,LER: Ihre e-Dimensiotuzl Net s and GARD, J.A. and H.F.li. TAYLOR, Blue anphibole fron Precam- PoT,Ahedxa (\lells) 1264 G. CLTIF, G.W. LoRTMER: brian metabasalts, Savage 'i.64 , and M.E. MRoSE: The crystal A reexanination of jennite JO) River, Tasmnia chemistry of the hydrous l: ft..-:^- r- 793 Greenland copper silicates, shattuckite Malne, composition 731 Akilia association 887 rnrl nl rnnh5i tp 491 synthetic 415 Amfteon qnei sses 887 , and M.E. MROSE: erratum t266 titanian 475 GRESENS,R.L. aud H.L. STRENSRUD: Geobarometry, of peridotite More data on red muscovite 1245 intrusions 874 GRIFFEN,D.T. and P.H. RIBBE, FAN, P. see FUJISHn4A, K.Y. 574 Geothernometer, scapolite- G.V. GIBBS: The structure FANG, J.H. see RoBINSON, P.D. 167 plagioclase r063 of slawsonite, a strontlum Federovskite, neu mineral (abstr) I73 Geothermometry, of peridotite analog of paracelsian 3l Feldspar, alumlnum phosphate intrusions 874 crinaldiite, new mineral (abstr) 593 variants 351 Germany GROVE,T.L.: A periodic anti-

SruwLrr rrvu' urErL 2L7 ullmannite 369 phese structure model for the Felsite, minor elements in 426 zinnwaldite 1158 lntermediate plagioclases 932 Feroxyhyte, new mineral (abstr) 1057 GHOSE, S. and P. BOVING, GUGGENHEIM,S. and S.w. BAII-EY: ferrobustamite, structure I2L6 I,[.A. LAC}IAPELLE, C, WAN: A refinement of zinnwaldite- Ferrofluid density separator 374 Relnerite: an arsenite wiEh 1]l1in subgroup slmetry 1158 FINKELMAN,R.B. and M.E. MRoSE: e nnrrpl fvnp ^F 7n-iptrahe- , see GUIDoTTI, C.V. 438 Domeylte, the first. verif ied dral double chain 7129 GUIDOTTI, C.V. and J.T, CHENEY, natural occurrence of SeO2 316 , and C. WAN: Aristarainite: S. GUGGENHEIM:Distribution Finland, pargasite analysis 206 a sheet structure with chains of titaniun between coexisting FISHER, G.W. review of of hexaborate polyanions 979 muscovite and biotite 438 Applications of Themodgrwnics , see WAN, C. 503,1135 GUILFORD, C. see MACKENZIE,W.S. 591 in Metatnorphic Petrologg , see IdINTER, J.K. 921 Guyanaite, new mineral (abstr) 593 (Froese) 398 Gianellaite, new mineral (abstr) 1057 _, revj-ew of Mettrnorph":c GTARDINI, A.A. Processes: Reactions anl. Micz,o- see MITCHELI,, R.S. 756 structure DeDeLoryent (Vernon) 601 , see NEWTON,M.G. 583 FISKE, R.S. review of Volcanisn GIBBS, G.V, see COHEN,J.P. 67 Haddanite = nicrolite 406 in AustraLasia (Johnson) 834 , see GRIFFEN,D.T. 31 IIAFNER, S.S. see NAKAZAWA,H' 79 FITZPATRICK, J. and A. PABST: , see RIBBE, P.H. 807 HAMIL, M.M. see RIBBE, P.H. 807 Burbankite from the Green , see WAN, C, 503 Harkerite, crystal structure 263 River I'ormaEion, Wyomlng 158 GILBERT, M.C. see POPP, R,K, 1,13 HARKTNS,E. AND L.S. HOI-I-TSTER: FLEET, M.E.: The crystal Gillespite, transformation Sector zonfng of clinopyroxene ^-r 1..:--,-- structure of deerite 990 orru Lw!rrrrrrr6 528 from a weakly metamorphosed ^--" t rrrE LttDL4r oLrurL "ure of GIUSEPPETTI, G. and F. MAZZI, diabase 390 heazlewoodite, and metallic C. TADINI: The crystal HARTI4AN,P.: Crystal structure ^-^-'*L' ^ bonds in sulfide minerals 34L strucrure of harkerite 263 drru r!ybL4a 6rvwLLr. a dis- (abstr) _, Structural transf ormations Glockerite, new data -599 cussion IO34 in naEural ZnS 540 GLOVER,E,D,: Characterization Hatchettolite=uranpyrochlore 406 FLEISCIIER, M.: new mineral of a marine birnessite 278 Ilawaii names 173,395,593,1057,1259 GoDBEER,I,I.C, and R.w.T. WII,KINS: garnet peridotite analysis 844 ...... _,review of Geochemistry of The water content of a hydrothermal mineralogy 574 -,,-*L^+r^ ^..-,+- Vanadium (Meincke) 834 oyrrLlELtL 9udr LZ 831 HAZEN,R.M.: Effects of temper- ...... -.-_,review of Geochemistrg of GOLDMAN,D.S. and G.R. ROSSMAN: ature and pressure on the MoLAbdenun (Uzkut) 839 The identification of Fe2* crystal structure of ferro- Fletcherite, new nineral (abstr) 1057 in the ,V(4) site of calcic magnesian olivine 286 Fluid inclusions, in bustamite 465 anphiboles 205 Venh:nicmc nF frensforna- Fluochlore = pyrochlore 406 erraEum 1265 tion and twinning in gilles- Fl ',^ri fa cf.i n facr t7L , and G.R. ROSSMAN:The n i rp ,i hi oh nrcsslrrP 528 I'oRD, A.B. see HIMMELBERG,G.R, 623 spectra of iron in ortho- , and C.T. PREWITT: Effects FORNES,V. see MIFSIJD, A. 1225 pyroxene revisited 151 of temperature and pressure FOSTER,C.T. Jr.: Mass transfer , and G.R. ROSSMAN,W.A. on interatomic distances in in sillimanite-bearing pelitic DOLT-ASE: Channel constitu- oxygen-based ninerals 309 schists near Rangeley, Maine 721 ents in cordierite L144 , amd C.T. PREWITT: l,inear Fournier, R.O. and J.J. ROhrE: GOLDSMITH,J.R, and R,C. NEIdTON: compressibilities of 1ow The solubllity of amorphous Scap o I it e-p 1 agi o c I as e ,1hiie: hioh-nressrrre struct- sllica in waEer at high tenp- qfahi liiv rFlatinne f063 lral i mnl i.t ri ons 554 eratures and high pressures LO52 GOOLEY,R. see LOFGREN,G.E. 217 ITEINRICH, E,W. revieu of The Fraipontite, new data (abstr) 175 Goongarrite, new data (abstr) 397 ALkaLLne Rocks (Sdrensen) 836 Framework silicates, GoRDILLo, C.E. see Hellandite, crystal structure 89 class if ication 703 LLMBIAS, W.J. L32 EENI-EY, K.J.: Improved heavy- Fr.n^a t.L^rri ta 459 CnTnY.SrrnrhacicnF liquid separation at fine FMNCIS, D. see PETERSON,R. 1049 .'...-r--.- .--; JJU particle sizes 377 Francolite, decarbonation 565 Grandidlerite, Mossbauer spec- IIEWITT, D.A., review of FRANSoLET,A.-M. and P. TARTE: Ero s copy 547 ? emperatuz,e - Org g en Fugacitg Infrared spectrum of analyzed Granitic texture, ?ables far Selected Gas Mir- sanples of the anblygonite- development of 966 tures in the Systen C-H-) at montebrasite series 559 GRANT, J.A. : Crystallographic }ne Atnosphere Iatal Pressure Franzinite, new nineral (abstr) L259 projectlon of chenical (Deines, Nafziger, U1mer, and FREEBoRN,w.P. see DoLI-ASE, I^1.A, 336 potential relationships L0I2 Woermann) 60f FUJISHTMA, K.Y. and P. FAN: llydrothernal mineralogy of Keolu Hi11s, Oahu, Hawaii 574 1270 Hexahydroborite

llexahyd roborl t e , fnfrared spectra, new nineral (abstr) r ?qo cont. Krutovlte, new mineral (abstr) L73 palygor skite 786 HIGGINS, J.B, and P.H. RIBBE: Kulanite, new mineral (abstr) I74 planchSite 499 The structure of nalaylte, KULLERIID, G. review of a shattuckite 499 tin analog of fntroduction to 1re Deposits 8ol tavorite HILL, R.J.: The crystal 559 (Baumann) 398 structure verniculite of phosphophyllite I227 KUSHIRO, f see }4YSEN,B.O. 843 8I2 Instructions to authors 181 HTMMELBERG,G.R. and A.B. FORD: Kusuite, new nlneral (abstr) 1058 Ireland, garnet in Iron-titanium oxides of the netasediments 10 /, Dufek intrusion, Antarctica 623 Isostannite = kesterite (abstr) rto t{oDA, S.N. see CIIANG, L.L.y, 346 Italy IioGARTH,D.D. : Classlfication LACMPELLE, W.A. see GHOSE, S. Lt29 liot t ite 32r and nonenclature of the LA IGI,ESIA, A. and M. DoVAL, t uscanit e 1110 I'. LOPEZ-AGUAYo: pyroehlore group 403 Thernal IT0, J.: Crystal synthesis of behavlor erracum L266 of vallerlite 1030 a new olivine, LiScSiO4 356 Laihunite, Holdenite, crystal structure 513 new mineral (abstr) 1058 , errarum Hornblende, rare earths in g99 L265 Lanthanlte, crystal structure --, see SMYTH, J.R. r252 HORSKY, S. J. and R. F. I.IARTIN: Latlunite, related to tuscanite 1113 The anonalous ion-exchange Lavenite, new data (abstr) 599 behavior of "ordered" leiteite, new nineral (abstr) t259 LEONI, L.see orthoclase 119I ORIANDT, P. 1110 HoVIS, c.1,.: Unit-ceI1 dimen- JACKSON,M.L. Memorial of T.esotho, garnet perldotite sions and nolar volumes for CHARLES IRVIN RICH 608 analysls 844 a sanidine-analbite ion- JAFFE, H.l4I. see ROBINSON,p. 857 Liddicoatite, new mlneral I12L Liottite, exchange series 672 Jahnsite, relation to new mineral 32I LIPMAN, P.W, _, and D.R. WALDBAW: segelerite 694 see ZIELINSKI, R,A. 426 LLAMBIAS, A solution calorinetric inves- JAI'IBOR, J. see FLEISCHER, M. 395 W.J. and C.E. CORDILLO, Eigation of K-Na mixing in a Japan D, BEDLM: Scapolite veins sanid ine-anal blte ion- ferrobustamlte t2L6 in a quartz monzodiorite stock from exchange series 600 ollvine analysls 9s8 Los Mo11es, HUCKENHoLZ,H.c, see pyrite 1168 Mendoza, Argentina t32 I,OFGREN, HUGGINS,F.E. 475,646 JAROSEI^'ICH,E,, review of c.E. review of Ct'gstal Grouth and Clnyactez,i HUGGINS, F.E. and D, VIRGO, AnaLgtical Methods for IJse in zation (Ueda H,C. HUCKENHoLZ: Titanium- Ge o chenic aL Exp Lo ration and Mullin) 400 containlng silicate garnets. (Stanton) 838 _, and R. GOOLEY: Simultaneous I Jennite, crystalllzation of feldspar zThe distribution of Al , reexamination 365 Fe'', and Tie- beLween ocEa- Johachidolite, redefined 3Zj intergrowths from the melt 2t7 1,OPEZ-AGUAYO, hedral and tetrahedral sites 415 JOHNSON,J.W. see STREBIN,R,S.JR. 374 F. see 1.A IGLESIA, _, and .-,_i Ti Eanium- JOSHI, M.S. and B.K. PAUL: A. 1030 containing silicate garnets. Surface structures of trlgonal LORIMER, G.W. see GARD. J.A. 365 II. The crystal chemistry bipyranidal faces of natural LUDINGTON,S see MUNOZ, J,L. 304 Luetheite, of nelanites and schorlom- quartz crystals L22 new mineral (abstr) 1058 ites 646 Jugoldite, new dara (absrr) 599 LUFKIN, J.L.: Chenistry and Hungchaoite, crystal structure 1135 nineralogy of wood-tin, Black Huntite, Ranan and infrared Range, New Mexlco 100 spectra 36 Lunar basalt, pigeonlte in 79 HURLBUT,C.S. JR. and L.F. Kaersutite, analyses 1039 ARISTARAIN, R,C. ERD: Hydro- Kallpyroehlore, definition 405 chlorborite from Antofagasta, KAMPF, A.R.: Minyulite: lts MCCALLISTER, yUND: Chile r47 atomic arrangenent 256 R.H. and R.A, Coherent exsolution Hydrochlorborite, Chile 147 _, Schoonerite: its atomic in Fe-free pyroxenes Hydrochlore = pyrochlore 406 arrangement 25a 7ZL Mcconnellite, (abstr) Hydropyrochlore = mefamict _, and P,B. I'IOORI: Melon- new mineral 593 pyrochlore 406 josephlte, calciun iron MACDoNAI,D,R.D. see Hydrotalcite, formation rn hydroxy phosphate: its NrcKEL, E.H. 449,999 narine sediments LI73 crystal sEructure 60 MACGREGoR,I.D. Review of Papers _, see MOoRE, P. B. 246 and Pz,oeeedinge of the Kanemite, cation exchange in Ninth Genez,al Meeting of the Kankite, new mineral (abstr) 594 fnt eznat i orwl Mine ral o g i c aL IISHI, K. see YADA, K. 958 KAY, S,M.: The origin of anti- Association I7i IlmeniEe, analyses 628 perthites in anorthosites 905 MCGREGoR,V,R. and B, MASoN: Maine, composition 733 Kegelite, new data (abstr) 775 Petrogenesis and geochemistry lnfrared spectra KIIL, K., review of o! netabasaltic and metased- alstonite 36 Microbeam TecVntiques (SnIth) 836 imentary enclaves in the amblygonite 559 Keyite, new nineral (abstr) 1259 A.mltsoq gneisses, West Green- amesiEe 296 KHEORUENROMNE,L see SIIARP, W.E. 17.1 land 887 barytocalc ite 36 Kinoite, cell dimenslons and Machatschkiite, new nineral bens toni te (abstr) 36 optical data 1032 L260 cordierit e 1151 KoCHAR, N. : Post-enplacement I{ACKENZIE, F.T. see SToFFYN, M. 1173 chry sot ile 1227 alkali nodifications in rapid- MACKENZIE, W.S. and C, GUILFORD: do lonite 36 1y cooled acid volcanic rocks 333 The uniaxial negative wave francolite - 570 KONNERT,J., review of surface a slnple teaching aid 591 hunEite Madagascar 36 Diffraction Physics (Cowley) 398 montebrasite oren'liii6rir- 559 Koppite = pyrochlore 406 548 norsethite 36 KOSTINER, E. see AMERSON, J.B. 11_5 liddicoatite LI2L orthopyroxene tremollte 151 _, see SHoEMAKER,c.L. t042 206 New minerals 127|

Malne, pelltic schlsts 438 Mlneralogical Society of Nanlingite, new mineral (abstr) 1058 sillimanite-bearing schlsts 727 Anerica cont. NASSAU, K, and B.E. PRESCoTT: Majaklte, new nlneral (abstr) L260 llst of offlcers and A unique green quartz 589 Malawi, vemiculite L225 comittees 620 NATHAN, Y. see I,IATTI{EWS,A. 565 Malaylte, crystal structure 801 proceedings, 57th annual NEGAS,T, see C00K, L.P. 1180 MANDARINo, J.A. see meetlng 610 NEILSoN, M.J. and G.F. BRoCK|4AN: Fr,Erscl{ER, M. 173,L057 Mineralogical Society of America The error associated with Marignaclte = ceriopyrochlore 406 Award 6^inr-.^,,nfino 1238 MARTIN, R.F, see IIORSKY, S.J, 1191 Presentation by It.S. Yoder,Jr. 606 NELEN, J.E. see DUNN,?.J, 4L6' LT2I MASON, B. revLew of Fluid Acceptance by Friedrich A. Neotantallte = metamict micro- IncLusion Reseo.vch (Roedder) 398 Seifert 606 407 , review of lvlinera1,-Furd.- Minerals, discredlted Nevada, chrlstite 42r stelLen, BantL 4: Skmtd.ina- achrematite 170 New Hampshire, samuelsonite 229 uien (rtiLke) 400 Minyullte, crystal structure 256 New Jersey, gerstmannlte 51 :, review of Mineralogy of MITCHELT,,R.S. and A.A. GIARDTNI: New Mexico Arizona (Anthony, Willians, Some mineral inclusions from wood-tin 100 and Bldeaux) 833 African and Brazilian nuscovite 1245 revlew of MineraLogg of diamonds 756 New minerals -^--1rrr^ /-L-+-\ the Hatunim Foz,mation, Mohr circle t27 d6!crfrLc \4u-Lr/ I13 IsraeL (Gross) 1263 Monohydrocalcite, in bladder archerite (abstr) L057 , review of Recent Contribu- stone 273 argentocuproaurite (abstr) 593 tions to Geochemistrg and Montebrasite, infrared spectra 559 aurocuproite (abstr) 593 AnalytLcal Chenistrg MooRE, P.B. and T. AMKI: bracewel-1iEe (abstr) 593 (Tugarinov) f78 Gerstnannite, a new zinc slli- buchwaldite 362 review of Space GeoLogy cate ni-neral and a novel cubic christlte 421 (Ktne) 178 close-packed structure 51 domeylre 3L6 a-1,L:L^^ (abstr) qnd ,and, Holdenite, anovel federovskite 173 theLT Ur.agLn (O'Keete) 399 close-packed structure 513 feroxyhyte (abstr) 1057 pr.hpri (ahstr) , review of The Archean: , and , Overite, segel- f] ic L057 jahnsite: (abstr) Search for the Beginning erite, and a study franzinite L259 (McCall) 1264 in combinatorial pollmorphism 692 eprstmenni tF 51 see MCGREGoR,V.R. 887 , and , Samuelsonite: gianellaite (abstr) 1057 MasutomiliEe, new mlneral (abstr) 594 its crystal structure and grlmaldiite. (abstr) 593 MATTHEWS,A, and Y, NATHAN: relatlon to apatite and guyanaite (abstr) 593 The decarbonaEion of carbonate- octacalciun phosphate 229 hexahydroborite (abstr) 1259 (francolite) and A.R. KAMPF: Schoon- kankite (abstr) 594 fluorapatite 565 , 'l arira r nar.r zinn-mrn 1----! - - t -L -,- \ MAZo, R.M.: Statistical mechan- (cyfLc \duDLr / 259 ical calculation of alumlnum- iron phosphate mineral 246 krutovite (abstr) 173 slllcon disorder in alblte 1232 , see KAMPF, A,R. 60 kulanite (abstr) 174 l"lAZZI, F. see GIUSEPPETTI, G. zoJ , see oLSEN, E. 362 kusuire (abstr) 1058 Melonite, stability MORIMOTO, N. see TATSUKA, K. 1101 laihunite (abstr) 1058 1063 'I Melanite, crystal chemistry b4b Mdssbauer spectra pi fpi tP (ahsrr) 1259 Mijssbauer spectra o)t calcic amphiboles 205 liottire 32I MELLINI, M.and S. MERLTNO:A new cordierite 1t44 luetheite (abstr) 1058 type of silicoborate chain 89 ferrobustanite I222 mcconnellite (abstr) 593 , and , G. RoSSI: The garnets 478 machatschkiite (abstr) L26O crystal structure of ortnAi A: ari r d 547 nalakire (absrr) 1260 tuscanite 1114 melanite o)l nasutomilite (abstr) 594 , see oRLANDI, P. 1110 schorlomite b)J nakauriite (abstr) 594 Melonjosephlte, structure 60 MRoSE,M.E. see EVANS,H.T. JR. 49L nanlinglte (abstr) 1058 MELTON, C.E. see NEI,iTON,M,G, 583 , see FINKELMAN, R.B, 316 nickelbloedite (abstr) 1058 Menorlals Mu11ite, solid solution in 747 otwayite 999 Rich. Charles Irvin 608 Mumbite = plunbomicrolite 407 palladseite (abstr) 1059 Mendelyeevite = betafite 406 MUNoZ, J.L. and S. LUDINGToN: nerasnrrrri fe 1003 MERLINo, S. and P. ORLANDI: Fluorine-hydroxyl exchange in Derl offi te (ahstr) 1059 Liottlte, a new mineral in the synthetic muscoviEe and its peErovicite (abstr) 594 cancrinite-davyne group 32I applicalion to muscovite- sarabau{te (abstr) 1260 , see MEI,LINI, M, 89,f114 biotite assemblages schoonerite 246 , see ORI,ANDT, P. 1110 Muscovite c.hroveri ra f:hctrl 395 Metaslmpsonite = microllte 407 fluorine-hydroxyl exchange 304 seinajokite (abslr) 1059 Metasomatic zoning, free energy of formation 193 sekaninaite (abstr) 395 intornratrti^n r0t2 Maine, composition 732 senesalite (abstr) 595 Meleorites, Cape York, pleochroic L245 slawsonite 31 buchwaldite 362 titanium in 438 stillwaterite (absEr) 1060 Michigan, klnoite 1032 I'ffSEN, B.O. and I. KUSHIRo: sfrHtlineife (absfr) 395 (ahstr) Mi^r^lira iafiniri^h 405 composiEional variations of srreilire 596 Mlcromanlpulators 382 coexisting phases with degree svetlozarlte (abstr) 1060 MIFSUD, A and V, FoRNES, J.A. of melting of peridotite 843 rhalcuslte (abstr) 396 RAUSELL-COLOM: Natural alter- tvalchrelidzeite (abstr) L74 atlon of vermlculite to fvaifirp /,hctr) 1060 chrysotlle t225 velikite (abstr) L26O MILLARD, II.T. JR. see NakauriiEe, new nineral (abstr) 594 vertumite (abstr) 1061 ZIELINSKI, R.A. 426 NAKAZAWA,H. and S.S. ITAFNER: urvantsevite (abstr) 1260

Mineraloglcal Society of America 0rientat ion relationships yr LfDrLc \duDLr/ 396 list of forner officers and of auglte exaolution lamel1ae zriritF f:hcir) I74 617 in niePonitc hosfs 79 zektzerite 416 12'72 Newton

NEWfoN, M.G. and C.E. MELToN, PABST, A. see FITZPATRICK, J. 158 Ot\.rtt 589 A.A. GIARDINI: Mlneral see FLEISCHER, M. 593,1057,L259 pseudomorphs after coeslte 828 lncluslons ln an Arkansas Palladeselte, new nlneral surface structures r22 dlanond 583 (abstr) 1059 water conEent 831 erratun L266 Palygorskite, hydroxyl and NEI"IToN,R.C. see GoLDSMITIi, J,R, 1063 water in 784 New York, anorthosite 905 rrulru, J.Jt:TT.rr-ei-ts1^6ir varraLrurr rrl geo- New Zealand, kaersutlte 1038 thermonetry and geobarometry MDTKE, A.S. and F.W. DTCKSON, NTCKEI, E.H. and C.E.S, DAVIS, of peridotite intrusions in J.F. SLACK, K.L. BRohtN: M. BUSSELI, P.J. BRIDGE, the Dinaride Central Ophio- Christire, a new thallium J.G. DUNN, R.D. I,IACDONALD: 1lte Zone, Yugoslavla 874 mineral 42I = (abstr) Eardleyite as a product Pandalte bariopyrochlore 4O7 Ramdohrite, new data 598 nf rhp qrrnercenp alfpration Paragonlte-muscovite micas 1200 Rare earth elements of nickel sulfides 449 Paraspurrite, new mineral 1003 in banded lron formation 896 and ultrabasic rocks 894 , and B,W, RoBINSoN, PARKXR,H.S. see cooK, L.P, 1180 in basic c.E.s. DAVTS, R.D. MACDoNALD: PAUL, B.K. see JoSHI, M,S. L22 in minerals 899 otwayite, a new nlckel mln- Pari.lnf{tp mp'ltlna nF 843 MUSELL-CoLOM, J.A. eral from Western AusEralia 999 Yugoslavia 874 see MIFSUD, A 7225 Perlite, minor elements in 426 Reinerite, crystal structure 1L29 _, see FI-EISCHER, M. 593 Nlckelbloedite, new mlneral Perloffite, new mineral (abstr) 1059 Reviews (abstr) 1058 Peru, bournonite-sellgmannlte 1091 Anthony, J.W., S.A. Wi1liams, Niobpyrochlore = pyrochlore 407 PETERSoN,R. and D. FMNCIS: R.A. Bideaux: Mtneralogy of Niobtantalpyrochlore = pyro- Thp nriain of crlfirlp inclus- Atizona (Mason) 833 chlore or microliEe 407 ions in pyroxene megacrysts L049 Attewe1l, P.B., I.W. Farmer: NORD, G.L, JR, see ROBINSON,P. 857 Petrovic{Ee, new mineral (abstr) 594 PrincLples of Engineet'i,ng Norsethite, Raman and infrared Phosphophyllite, structure 8I2 GeoLogA (Davies) 1263 fnttoducti,on spectra JO .dmn^sition 818 Baunann, L.; to Norway Pigeonlte, augite exsolutlon 79 Are Deposits (Kullerud) 398 bronz i te 152 exsolution 1ame1lae in 857 Cowley, J.l'1,: Diffraction lattice paraneters 861,869 Dh,,ei-e r/lfnnnprtl 398 Plagloclase, antiphase Deines, P., R.H, Nafziger, structure model 932 G,C. U1mer, E. Woermann: - obruchevite = yttropyrochlore 407 Maine, composltion 733 Tere e latur e ArU g en Fug acitA obsldian, minor elements ln 426 rare earths in 899 TabLes fot, Selected Gas Octacalcium phosphate, structure 229 Plagloclase-scapol iEe stability Mirtures in bhe Systen C-H-) O(AMURA,F.P. see WINTER, J.K. 92I relatlons 1063 at One Atrnosphe?e Total OLESCH,M, see SEIFERT, F. 547 Planch6ite, crystal chemlstry 49r Pressute (Hewitt and Prunler) 601 Ollvlne, analyses 958,1021 Plumbobetaflte, deflnltion 405 Froese, E.: AppLi,cations of .rvqral strn.tlrrF 286 Plumbomicrolite, def inition 40s ?hemodgnonics in Metmoz,phic 01SEN, E. and J. ERIICHIIAN, Plumbopyrochlore, def ini Eion 405 Petrologg (Fisher) 398 T.E. BUNCII, P,B. MOORE: Point-counEing, error in L238 Greenwood, H.J. (ed): AppLi- Buchwaldite, a new meteoritlc Polishing techniques 824 cation of IhermodynanLcs to phosphate mlneral 362 POLKOWSKI,G. see Petnologg cLrLd2Te Deposits OphioliEe complex, Yugoslavla 874 SNETSINGER,K.G. 587 (Runble) 1263 Optical properties Polytypisn, definition, notation 411 Gross, S.: The Mineralogg of buchwaldite JOZ POPP, R.K. and M.C, GILBERT, the Haturim Fornation, chrlst lte 423 J.R. CRAIG: Stability of Fe-Mg IsraeL (llason) L263 oarcfn.nn{ fa 51 amphiboles wiEh respect to H111, C,A.: Caue MineraLs ^.-..^^-c-.^.-^:t.. (Broughton) hydro ch1 orbor i t e t47 u^yBcrr r uSdLrLJ I 833 (ed): {^hr^hJd^lJfa 329 _r and _, _i sEabllity Johnson, R.tI. VoT,canism kinoite L032 of Fe-Mg anphiboles with i,n Australasl:a (Fiske) 834 liott i te 322 respect to sulfur fugaclty 13 King, E.A.t Space GeoLogg otwayi le 1000 PRESCOTT,B.E. see NASSAU, K, 589 (Mason) 178 n.r.4nrrrri fa 1003 PREI,ilITT,C.T. see HAZEN, R.M. 309,554 McCal1, G,H.J, (ed)t Ihe scapolite L32 Priazovite = samarskite 407 Az'chean: Search for the schoonerlte 248 Protopyroxene, Mg-Li-Se 1252 Beginning (llason) L264 texasite 1007 PRUNIER, A.R. JR. Meineke, G.: Geockenisttg of wifro.raci ip 1009 see HEWITT, D.A. 601 Vanadiwn (Fleischer) 834 zekxzerlte 4L6 see RIBBE, P.H, 710 M61on, J., P, Bourguignon, oregon, hypersthene 153 Pseudomalachite, crystal A.-M. Fransolet2 Les Mine- ORI,ANDI, P. and L, LEONI, structure refinement 1042 rau:r de BeLgique (Donnay) 834 M. MELI,INI, S. MERLINO: polymorph 115 Mitchell-Thom6, R.C. ; GeoLogg Tuscanlte, a new mineral 1110 PUTNIS, A.: Electron diffraction of the Middle At1,anti,c rs- study of phase transformations Lands (Chayes) 835 _, see MERLINo, S. 32L 0rthoclase, ion-exchange in nnnnor crrl filaq 107 O'Keefe, l.A.: ?ektites and behavlor 1191 Pyrite, crystal structure theit,Ot:igin (ll'ason) 399 orthopyroxene, optical absorp- refinenent 1168 Papers and Proceedings of - fl^n cnp.fru 151 Pyrochlore group, classifica- the International, Minev,aL rare earths in 899 tion and nomenclature 4O3 aninnT Aaannt'nfian 0SBALDTSTON, G.l,i, see SKINNER, Pyroxenes, (MacGregor) 177 H.C.W. 273 coherent exsolution in 72I Pilger, A., A, Rosler (eds): Otwaylte, new mlneral 999 stereochemical systematics 710 Afar Depressian of Ethiopia Overite, structure 692 Pyrrhite = pyroehlore 4O7 (Simkin) 835 Swanson t273

Proceedings of the fntezma- ROBINSON,P.D. and J.H, FANG: Serpentine, analysis LO2L tionaL CLay Conference 1975 Baryllte: 1cs Serpentlne-ollvlne equilibria 1018 (Bailey) L77 and crystal structure 167 SHARP, I^I.E. and E.L. CARLSON, Roedder, E. (ed): Fluid Roebling Medal I. KHEORUENROMNE:A stain Inclusion Research (Mason) Presentation by Gustaf test for fluorlte t7L Shuey, R.T. ; Seni-Corducting Arrhenlus 603 Shattuckite, crystal chemistry 49r )re Minez'aLs (Qraig) 399 Acceptance by Carl W. SHI}'IoDA, S, see TATEYAT'{A, It. )JC Sinkankas, J,z Gemstones of Correns 604 SHOn"AKER, G.1,, and J,B. ANDERSoN, Rosenhahnite, crystal structure 503 E. KoSTINER: Refinement of the (Switzer) 836 ROSS, F.K. see COHEN,J.P. 67 crvstal structure of pseudo- Smith, D.c.W. (ed): Microbecrn RoSS, M. see RoBINSoN, P. 857 malachite 1042 ?ecLmiques (KeiI) 836 ROSSI, G, see DAL NEGRO,A. I42 , see AMERSON, J.B. 115 Sdrensen, H. (ed): The ALka- , see MELLINI, M. 1114 Sillca, solubillEy ln water L052 Line Rocks (Hetnrich) 836 RoSSMAN,G.R. see SII"IKIN, T. tevlew of AfaT Stach, E. et aL.t Stachts GOT,DMAN,D.S. L5L,205,L|44 Depression of Ethiopia ?ertbook of CoaL Petrology, RoTH, R.S. see CoOK, L.P, 1180 (Yalger ano Kosfer, eos,, dJ) second editio4 (Breger) 837 ROUSE,R.C. see DUNN,P.J. 416 SIMPSoN, D.R.: Aluninum phosphate StanEon, R.E. : AnaLgticaL RohIE, J.J. see FoURNIER, R.O. 1052 varlants of feldspar 351 Methods fot'tlse in Geoehemi- Rozhkovlte = palladian cupro- SKINNER, H.C.W. and G.W. cal Explot atLon (Jarosewich) 838 aurlde (abstr) 595 OSBALDISTON,A.N. WILNER: Strens, R.c.J, (ed): ?he RUMBLE, D. III review of Monohydrocalclte in a guinea- Physics and Chenistry of Application o f Thernodynanic s pig bladder stone 273 Rocks anl. MineraLs (Bel7) 399 ta PeLrology and ?re Deposits SLACK, J.F. see RADTKE, A.S, 42L Tugarinov, A.I. (ed)i Recent (Greenwood, ed.) 1274 Slawsonlte, structure 31 Contributions to Geochemistrg RUOTSAIA, A.P. and L.L. BABCoCK: SMITH, J.V.: Enuneration of 4- and AnaLyticaL Chemistrs Zaherite, a new aluminum connected 3-dlmenslonal nets (Mason) 178 sulfate LI25 and classification of frame- Ueda, R. and J.B. Mul1in (eds): , and M.1,. WILS0N: Kinoite work silicates 703 fntta+n7 th.,jf h dr/l nh-n.1s f sy,i._ from Calumet, Mlchigan L032 SMYTI{, J.R.: Quartz pseudoEorphs zation (Lofgren) 400 RUSZALA, l'.A. see ANDERSoN,J.B, 115 after coesite 828 Uzkut, I.: Geochenistt'y of _r and J.ITo: The synthesis MoLybdenun (Fleischer) 839 and crystal structure of a Vernon, R.H. : Metanorphic magnes lum-llthlum-scandium PTocesses : Reactions aruT SADANAGA,R. see YMANAXA, T. L2L6 protopyroxene 1252 Mi cr o structtu e Deu elopnent Sakhaite, related to harkerite 263 , see ROBINSON,P. 857 (Fisher ) 601 Samarsklte, analysis 1010 SNETSINGER,K.G. and G, PoIKoWSKT: Walker, W. (ed): MetaLlogeng Samiresj.te = plunbian uran- Rare accessory uraninite in a and GLobaL Tectanics (Barton) 839 pyrochlore 407 Sierran granlte 587 l^7e11s, A. F. : Thnee-DinensiornZ Samuelsonite, crystal structure 229 South Africa Nets and Polyhedz,a (Evans) t264 Sanidine-analbite series quartz afEer coeslte 828 wenK, n.-K. \eo)i LLecTron ce11 dlmensions 675 chromlte, Bushveld complex 1082 Microscopg in MinenaLogg heats of solutlon 682 Southwest Africa (Towe) 400 Sarabauite, new mineral (abstr) t260 relnerlte LI29 Wilke, H.-J, : Mi,neraL-Emd- Scapolite-plagioclase stability SPILLER, A.R. see GREEN, T,It. L64 steLlen, Band. 4: Skandirnuien relations IUOJ Staln test, fluorite L7L (Mason) 400 SCHEETZ, B.E. and W,B. LIIiITE: Stannomicrollte, deflnltion 4U) Rhodesia, grandidierite 548 Vibratlonal spectra of the Staurolite, Maine, composl.tion 730 RIBBE, P.H. and c,V. GIBBS, alkaline earth double car- STENSRUD,I{.L. see GRESENS,R.I,. LZ4) M.M. HAMIL: A refinement of bonates 36 StiblomicrollEe = nixture of the structure of dioptase 807 Schetelj-gite = beEafite? 407 microlite, stlblotantallte, _ and A.R. PRUNIERJR.: Stereo- Schoonerite, new nineral 246 and stlbnite 407 chemical systenatics of or- crystal structure 250 Stillwaterite, new mineral dered C2/c silicate pyroxenes 7r0 Schorlonite, crystal chemistry 646 abstr) 1060 _, see GRIFFEN, D . T. 31 Mbssbauer spectra 653 STOFIYN, M. and C, DODGE, _, see HIGGINS, J. B. 801 SCHREIBER,H.D.: On the nature F.T, MACKENZIE: Neoformatlon Pi -h f r Man^ri a1 ^F 608 of syntheEic blue diopside ur ilJurvLdrLrLs LL7 3 RICKI',IOOD,P.C.: A technique for crystals 522 SToRME\ J.A. JR. see extracting snall crystals Schreyerite, new mineral (abstr) 395 WHITNEY, J.A. 687 from thin sections 382 Speplpri tF ctrrr.tlrrF 692 Stratlingite, new nlneral (abstr) 395 Rijkeboerite = bariomicroli-te 407 SEIFERT, F.A. Acceptance of the STREBIN,R,S, JR. and J.W. ROBERTSON,D.M. see STREBTN, Mineralogical Socj-ety of JoI{NSON,D.M. RoBERTSoN:Wide- pqTp 374 America Award 606 range density separation of ROBIN, P-Y.F. Angular relat.ion- , and M. OI,ESCH: nlneral particles in a single ships between host and exso- Mdssbauer spectroscopy of fluid system 37f+ lution lamellae and the use orandidiarifa )4 t SUDo, T, see TATEYAIIA, H. 534 of the Mohr circle 127 Seinajokite, new mineral (abstr) 1059 Sugilite, new mineral (abstr) 596 ROBINSON,B.W. see NICKEI-, E.H. 999 Sekaninaite, new mineral (abstr) 395 Sukulaite = stannomicrolite 407 ROBINSON,P. and M. RoSS, G.L. qal i oh.nhi fa Par,r tog7 Sulfide lnclusions, ln cllno- NORDJR., J.R. SMYTIi, H.W, Senegalite, new nineral (abstr) 595 pyroxene 1049 JAFFE: Exsolutlon lamellae SERNA, C. and G.E. VANSCOYOC, SVERJENSKY,D.A. see in augite and pigeonite: J.L. AHLRICHS: I{ydroxyl I{IIKINS, R.W.T. 465 fossil indicators of lattice groups and water in paly- Svetlozarite, new mineral parameters at hlgh pressure gorskite 784 (abstr) 1060 ani famnarrtrira 857 _, and B.D. VELDE, J.L. WIIITE: SWANSON,S.E,: Relation of , see TRACY, R,J. 634 Infrared evidence of order- nucleation and crystal growth dlsorder in amesites 296 rate to the developnent of granitic textures 966 1274 Switzer

SWITZER, G.S. revlew of Unit-cel1 data Unit-cell data cont, Gemstones of No"th America, aikinlte 348 tadzhlklte 98 (Sinkankas) qEE VoL. II 836 alblte O?' takovite 460 Systems ameslte 297 tetrahedrite 1108 Cu-Fe-Sb-S 1102 aristarainite 980 texasite 1006 K2O-A1203-SI02 1180 armalcolite 9L5 tuscanite 1110 Me,srr0r, (oH) stror, (01{) 1, 13 augite 81 ullmannite 369 ,-Fe, , barylite L67 wittichenl-te 348 PbS-Cu2S-Bt2S 346 3 bismuthinite 348 ) L LrvLrdsrLc 1010 buchwaldite 362 zektzetite 116 burbankite 160 Unnamed minerals calcj.te (mgnesian) 772 As/PdlTe/ (abstr) 596 TADINI, C, see GIUSEPPETTI, G. 263 cassiterite 104 arsenate-sulfate of Pb,Fe,Cu Tadzhikite, related to chris tite 42r (abstr) 1061 hellandite 96 n1 innnrrrnvona t049 copper arsenate-sulfate L75 TAGGART,J.E. JR.: Polishing cordieriEe ot .nnner .erhonata I75 technlque for geologic samples 824 .r,nr^hl chr'tsi fa 348 .onnpr trrnesfelP I75 (Cu,Ni,I'e,Co)354 (abstr) Tahiti, titanlan augite 634 cu5 (P04) 2 (oH) 4 115 596 TAKEUCHI, Y. see YAMANAKA, T, L2L6 CuBi3S5 348 hydrous magnesium carbonate Takovite, reexaminatj.on 458 danburite 34 (abstr) 596 Tangenite = betafite, pyrochlore 407 deerite 990 K2zr(so4)2 2H2o L75 TANI, B.S,: Structure of a djer- dioptase 807 lazurite dimorph (abstr) 596 f isherite-llke compound 819 dolomite 772 lead arsenale-sulfate L75 Tantalbetaf ite = betafite 407 domeyite 3r6 lead-bisnuth tellurides (abstr)597 Tantalhatchettollte = eardleyite (takovite) 452 Mg borate I26L urannicrollte 407 ferrobustamite LZtO Na-U-borate sulfates L26l TanEalpyrochlore - nlcrollte 407 oarefh.nni ro 51 nlckel-bisnuEh tellurlde TARTE, P. see FRANSoLET,A.-M. s59 gillesp ite 530 (abstr) 597 Tasmania, blue anphlbole 164 harkerlte 263 palladium telluride (abstr) 597 TATEYAMA, H, and S. SHIMODA, heazlewoodlte 34L Pd5As2 (abstr) 1061 T. SUDo: Estlmation of K-0 hellandlte 89 Pd5(Bi,Sb)2Te4 (abstr) 597 dlstance and tetrahedral rota- holdenite 513 Pd-Bi-Te mineral (abstr) 597 tlon angle of K-micas 534 h,rnoahani ro 1r35 (Pd,Cu,As) (abstr) 1061 TATSUKA, K. and N. MORIMO?o: hurlbutite 34 Pd8Sb3 (abstr) f061 Terrahedrite stability hvdr^^h1 ^rh^,i ra r47 Pd5(Te,Bi,Sb)2 (abstr) 597 r e1at ions I 101 jennite 367 Pd (Te,Sb,Bi)- (abstr) 597 TAYLOR, H.F,W. see GAR-D,J.A. 365 328 Pt sulfldes 173 Tavorite, infrared spectra 5s9 KAtSi04 337,1180 rhodiun sulfide (abstr) 598 IAZZOLI, V. see DAL NEGRO,A. L42 KAr2PSiog 351 ruthenlun sulfarsenide (abstr) 598 Tetrahedrite K-mi-cas s35 Uranlnlte, in Slerran granite 587 stabillty relations 1101 K6LiFe24 S26C1 820 Uranmicrolite, deflnitlon 405 unil-ce1l data 1108 kinoite r032 Uranpyrochlore, definition 405 Texas, Eexasite 1006 lanthanite 142 Urvantsevite, new mineral Texasite, new mlneral 1006 llddicoat ite IL24 (abstr) L260 Thalcusite, new mlneral (abstr) 396 liot t ite 1,) L Utah, zoned skarn 1015 Titanbetafite = betaflte 407 LiScSiO4 356 Titaniferous nagnetite, analyses 628 mlaylte 802 Titanium hal^hi^canhira 60 dlstrlbutlon in garnets 475 Mg-Li-Sc protopyroxene L252 Vallerlite, thermal behavior 1030 ln nolJf{. c.hiefa 438 ninyullte 257 VANSCOYoC,G.E. see SERNA, C. 784 Titano-obruchevite = yttro- NaAl2PSiOg 351 VELDE, B.D, see SERNA,C. 296 betafite 401 olivine 287 Veliklte, new mineral (abstr) 1260 TOSSEL1, J.A. A conparlson of orthoclase LI94 Vermiculite, alteralion to sllicon-oxygen bonding in otwayite 999 chrysotile L225 quartz and mgnesian ollvine overi Ee 693 Vertumnite, new nlneral (abstr) 1061 from X-ray spectra and nole- paracelsian 34 Virginia, sphalerite 542 cular orbital calculatlons 136 n.r.enrrrri fo 1003 albite 554 ToWE, K.M. review of ELect"on phosphophyllite 8L2 VIRGo, D. see HUGGTNS,F.E. 475,646 Microscopg in MineraLogg pigeonite 81 (Wenk) 4O0 planchdite 49r

TMCY, R,J, and P. ROBINSON: Posuuutrrd rdLrrr Lc L042 Zoned titanian auglte in reinerite tr29 WALDBAW, D.R. see HoVIS, G.L. 680 a1ka1l olivine basalt from rosenhahnite 503 WALIACE, R.C. : Anorthoclase- Tahlti 634 samuelsonite 230 calcite rodding within a kaer- Tuhuallte, related to zektzerite 4L6 sanidine-analbite 675 sutite xenocryst 1038 Tuscanite, new mineral I1I0 scaPolite 134,1070 WAN, C. and S. Ghose: Hungchao- Tvalchrelidzeite, new nineral schoonerite 250 ite: a hydrogen-bonded nole- (abstr ) 174 segelerlte 693 nr:I:r nnmnlex 1135 Tveitite, new mineral (abstr) 1060 shat tuckite 49L and , G.V, GIBBS: slawsonite 34 Rosenhahnite: crysEal sEruc- spurrlte 1004 ture and the stereochenical SrGa2Si209 34 conflguratlon of the hydroxyl- SrGa2Ge20g 34 ated trisilicate group 503 _r s€e GHoSE, S . 979 ,IL29 ZnS 1275

Washington, zektzerite 4L6 X-ray diffraction data YADA, K. and IISHI: Growth and WECI{SLER.B.A.: Cation distribu- blrnesslte 28O microstructure of synthetic tion and hlgh-temperature buchwaldite 363 chrysotile 958 crystal chemistry of arml- christite 424 YAMANAKA, T. and R. SADANAGA, colite 913 .llnnnrilnlifc 331 Y. TAKEUCHI: Structural Weibullite, new data (abstr) 397 eardleyite (takovite) 452,459 variation in che ferrobusta- Westgrenlte = bisnutonicrolite 408 pcrstmanni fc 53 mlte solid solution L2l6 h'HITE, J.T-. see SERNA, C.J. 296 holdenite 516 YAR-DIEY,B.W.D,: An empirical WIIITE, W.B. see SCHEETZ,B.E. JO hydrochlorborite 147 study of diffusion in garnet 793 WHITNEY, J.A. and J.C. SToRMER hw.lr^ra].i rp 459 Yeatmanite, new data (abstr) 396 JR.: The distribution of i nhanhi dnl i re 328 Yftlslte, new nineral (abstr) 396 NaAl513Og between coexisting KAlSrO4 r1g7 YoDER, H.S, JR.: Presentation mlcrocline and plagioclase 687 K5LLFe24S26CI 821 of the Mineralogical Soclety wiiklte = a mixture 408 llotrlre 323 of Anerica Award 606 WILKINS, R.W.T. and D.A. SVER- LiScSlO4 360 YtErobetafite, definitlon 405 JENSKY: The role of fluid mFl nn{dcpnhitp 6l Yttrocraslte, new data 1009 = inclusions in the exsolutlon Mg-Li-Sc protopyroxene 1255 Ytt.rohatchettollte yttropyro- of clinopyroxene in busta- monohydrocalcite 275 chlore 408 mite 465 otwayite 1001 Yttropyroehlore, def inltlon 405 n^'6^^..'Pr +^ , see GODBEER,w.C. 831 Pdr4rPur rrLc 1004 Yugoslavla WILNER, A.N. see SKINNER, It.C.W. 273 planeh6lte 493 takovite 459 WILS0N, M,L. see RUOTSALA,A.P. 1032 pyroaurite 459 peridotlte intruslons 874 WINTER, J.K. and S. GIIOSE, F.P. schoonerlte 248 YUND, R.A. see MCCALLISTER,R.H. 721 OKAMUM: A high-temperature shattuckite 493 study of the thermal expan- rakovlte 459 sion and anisotropy of the texaslte 1007 sodium aton in low alblte 92L tuscanlte 1110 zaherlte, new mineral TL25 (abstr) new nineral (abstr) I74 Wittite, new data 397 fLLruLr4DrLE 1010 ZaLrlte, l,Ioodwardite, new data (abstr) 599 zaherite IL26 ZEN, E-AN: The phase-equlll- VIU, I.J, and R.W. BIRNIE: zektzerLte 4L9 brium calorlmeter, the Bournonite-sellgMnnlte solid petrogenetic grid, and a solutlon 1097 tyranny of numbers 189 Wyomlng 62 ZIEIINSKI, R.A. and P.w. LIPMAN' burbanklte 158 II.T. MILLARD, JR,: Minor- anorthoslte 905 element abundances ln obsi- dlan, perlite, and felsite 426 Zlnnwaldite, structure 1158 zns, structural transformtlons 540 RAREMINERALS ANDERSONITE KTENASITE

Monte Cristo Mine, Kane Spring Canyon,Grand Co., Utah: Yellow- 79 Mine,Gila Co.,Arizona: Sky-blue aggregates of tiny acicularXLS greencrystalline coatings on .Fluorescent.4x5" $30.00. witholivenite&brochantiteonrock.2x2"g25OO.lx2"gl750. lxl,' 3x4" $15.00.2x3"$12.50 2x2,'$7.50. rx2,,$5.00. 1x1,,$3.50. $1000 LAMPROPHYLLITE ARDEALITE KolaPeninsula, U.S.S R.: Golden-brown bladed masses in gneiss 3x3" MoorbaCave, Jurien Bay,W.A. Australia Buffcolor powder in viat, $25.oo2x3" $2ooo'2x2" $1500 1x2" $750 1xl" $350 1" $5.00. $2.50. METASIDERONATRITE BRUSHITE SierraGorda, Chile: Orange-yellow fibrous'cleavages with other sul- MoorbaCave, Jurien Bay,W.A. Australia: Off-white powdery, showing fates 3x4" $5000 2x3" $25OO2x2" $15.00.1x2" $10.00.1x1" minute XL faces or cleavageunder 20X magnification.Some impu- $5.00 1" $3 50 rities.Vial. $5.00. MINYULITE

Near MinyuloWell, Dandaragan, W.A., Australia: White glassy radial COERULEOLACTITE masseson limonite. 2x3" to 2x2" $l5.oo Lx2" to lxIVz" $7.5o. RoyalBlue Mine, Royston District, Lyon Co.,Nevada: Pate blueto olive- VALLERIITE green compact masses in rock. 3x4,, $35.00. 2x3,, $15.0O. 2x2" 1x2,, 1x1,, $1000. 95.00. $3.50. Pima Mine,near Tucson, Pima Co., Arizona: Bronze masses with mag- netiteon & in rock. Ix2" to Iy2xly2" $15.00 1xl7r" $12.50.1xl" $12.50& $7.50. HEINRICHITE YTTRoFLUoRITE NearLakeview, Lake co., oregon:pale yerlow crystailine on rock.vivid fluorescence.Probably between heinrichite & metaheinrichite.5X6" Innhavet,Norway: Cream-white crystalline masses, thickly sprinkled $50.00 4x6" 94000.4x5,,to 3x6" $30.00.3x4,,$20.00.2x3,, with tiny, glassy,orange, anhedr;t bastnaesite grains. Rich.3x4,, $10.00.2x2" $7.50.1x2" $5.00.lx1" 93.50.l" 92.50. 13S.OO.2x21/2,,StO.@. L1/2x2,, $7.5O. Ix2" $3.50.txt,, $2.50.

Sizesgiven are in inchesand are approximate.Prices are F.O.B.Ridgecrest. Shipments via insuredparcel post (include enough to cover).Open accountinvoices subJect to $15.00minimum. Eachspecimen is accompaniedby a labelwith localitydata. Add 91.0Otor ordersout of U.S. Minerallists available upon request. MINERALSUNLIMITED-DepI AM-Box 877(127 N DOWNS)-RIDGECREST,CALIF. 93555 THn AupRrcAN MrNERALocrsr Journalof tbeMinerabgical Society of Arnerica

CONTENTS. VOLUME 62

January,February 1977 NumbersI and2

Stabifity of Fe-Mg amphiboles with respect to oxygen fugacity...... Robert K Popp, M. Charles Gilbert, and James R Craig I Stabifity of Fe-Mg amphiboles with respect to sulfur fugacity...... Robert K. Popp, M. Charles Gilbert, and James R. Craig l3 The structureof slawsonite,a strontium analog of paracelsian Dana T. Grifen, P H Ribbe ond G V. Gibbs 3l Vibrational spectraof the alkaline earth double carbonates ...... Barry E Scheetzand llilliam B White 36 Gerstmannite,a new zinc silicatemineral and a novel cubic close-packedstructure...... Paul B. Moore and TakaharuAraki 5l Melonjosephite,calcium iron hydroxy phosphate:its crystal structure...... Anthony R KampJ and Paul B Moore 60 An X-ray and neutron diffraction study of hydious low cordierite...... JanerP Cohen, Fred K Rossand C V. Gibbs 67 Orientation relationshipsof augite exsolution lamellaein pigeonitehosts...... H. Nakazawaand S S HaJner 79 Hellandite: a new type of silicoboratechain...... Marcello Mellini and Ste/anoMerlino 89 Chemistry and mineralogy of wood-tin, Black Range, New Mexico ...... John L Lulkin 100 Electron diffraction study of phasetransformations in copper sulfides ... Andrew Putnis 107 The crystal structureof syntheticCuJPO.)z(OH),, a polymorph of pseudomalachite...... JamesB Anderson, Gerald L Shoemaker, Edward Kostiner and F A Ruszala I l5 Surfacestructures of trigonal bipyramidal facesof natural quartz crystals...... M. S Joshi and Baby K. Pau! 122 Angular relationshipsbetween host and exsolution lamellaeand the use of the Mohr circle. . Pierre-YuesF. Robin 127 Scapoliteveins in a quartz monzodiorite stock from Los Mofles, Mendoza, Argentina ...... EduardoJ Llambias, Carlos E Gorditlo and Dora Bedliuy 132 A comparison of silicon-oxygenbonding in quartz and magnesianolivine from X-ray spectraand molecularorbital calculations...... J A. Tossel! 136 The crystaf structure of lanthanite ...... A1bertoDal Negro, GiuseppeRossi and Vittorio Tazzoli 142 Hydrochforborite from Antofagasta, Chile.. .Cornelius S Hurlbut, Jr., Lorenzo F. Aristarain and Richard C Erd 147 The spectraof iron in orthopyroxenerevisited: the spfitting of the ground state...... Don S Goldmanand GeorgeK Rossman I5l Burbankite from the Green River Formation, Wyoming.. ..JoanFitzpatrick and AdolJ Pabst 158 Bfue amphibole from Precambrianmetabasalts, Savage River, Tasmania...... Treuor H Greenand Anthony R. Spitter t64 Baryfite,BaBerSirOr: its spacegroup and crystalstructure ...... P. D. Robinsonand J H Fang t67 Achrematitediscredited. ... t70 A stain test for fluorite...... wE.'sh";p;,'eri, t' cortroi;;;;r; *fllirlrr:ffi t7l NEW MINERAL NAMES.... 173 BOOKREVIEWS,,.. . 177 NOTICES .,... t79 INSTRUCTIONSTO AUTHORS.. . l8l

March, April 1977 Numbers3 and 4

The phase-equilibriumcalorimeter, the petrogeneticgrid, and a tyranny of numbers, PresidentialAddress E-an Zen 189 The identification of Fe2* in the M(4) site of calcic amphiboles Don S. Goldman and George R. Rossman 205 Simultaneouscrystallization of feldspar intergrowths from the melt-...... Gary8. LofgrenandR. Gooley 217 Samuelsorrite:its crystal strlrctureand relation to apatite and octacafciumphosphate...... Paul B Moore and TakaharuAraki 229 Schoonerite,a new zinc-manganese-ironphosphate mineral. .Paul B Moore and Anthony R. Kampl 246 Schoonerite:its atomic arrangement ...... Anthony R. KampJ 250

The crystal structure of harkerite...... GiuseppeGiuseppetti, Fiorenzo Mazzi and Carla Tadini 263 Monohydrocalcite in a guinea-pigbladder stone, a novel occurence ...... H. Catherine W. Skinner, G. W. Osbatdistonand Andrew N. lltilner 2'13

Effects of temperature and pressure on the crystal structure of ferromagnesian olivine...... RobertM. Hazen 286 Infrared evidence of order-disorder in amesites...... Car1osJ. Serna, Bruce D. Velde, and Joe L. White 296 Fluorine-hydroxylexchange in syntheticmuscovite and its application to muscovite-biotite assemblages...... J L. Munoz and Steue Ludington 3M Effectsof temperatureand pressureon interatomic distancesin oxygen-basedminerals...... Robert M. Hazen and c T. prewitt 309 Downeyite, the first verified natural occurrenceof SeOr...... Robert B Finkelmanand Mary E. Mrose 316 Liottite, a new mineral in the cancrinite-davynegroup...... Stefona Merlino and Paolo Orlandi 321 Johachidolite redefined:a calcium aluminum borate...... Lorenzo F. Aristarain and Richard C. Erd 327

Post-empfacementalkali modificationsin rapidly cooled acid volcanic rocks...... NareshKochhar 333 The structure ol' KAlSiOo with P6rmc symmetry...... W. A. Dollase and ll/. P. Freeborn 336 The crystal structure of heazlewoodite,and metallic bonds in sulfide minerals -.... M. E. Fteet 341 Phaserelations in the system PbS-Cu,S-BirS. and the stability of gafenobismutite ...... Luke L. y. Chang and Syed N Hoda 346 Af uminum phosphatevariants of feldspar.. Dale R. Simpson 351 Crystalsynthesis of a new olivine,LiScSiOr...... Jun lto 356 Buchwafdite, a new meteoritic phosphate mineral ...... Edward Olsen, Joseph Erlichman, T. E Bunch and paul B Moore 362 A reexaminationof jennite...... "/.Alan Gard, Harry F. ll. Taylor, Graham Clif and Gordon W. Lorimer 365 Crystal structure refinementof arsenianullmannite ....Peter Bayliss 369 Wide-rangedensity separationof mineral particlesin a singfe fluid system...... Robeil S. Strebin, Jr , John w. Johnson and Dean M Robertson 374 Improved heavy-liquidseparation at fine particle sizes...... KeithJ Henley 377 A techniquefor extracting small crystals from thin sections ...... PeterC. Rickwood 382 A spectroscopicand X-ray study of the coordination of Cr3* ions in chlorites...... -...... Dauid L B.ish 385 Sector zoning of clinopyroxenefrom a weakly metamorphoseddiabase. ....Elaine Harkins and Lincoln S. Hollister 390 39s 398 402

Muy, June 1977 Numbers5 and6

Report of the I.M.A.-I.U.Cr. Joint Committee on Nomenclature...... S.W. Bailey 4ll Zektzerite, a new lithium sodium zirconium silicate related to tuhualite and the osumilite group...... PeteJ. Dunn, Roland C. Rouse,Bart Cannon and JosephA. Nelen 416 Christite, a new thallium mineral from the Carlin deposit, Nevada...... Arthur S. Radtke, Frank W. Dickson, John F. Slack and KetsinL. Brown 421 Minor-element abundances in obsidian, perlite, and felsite of calc-alkalic rhyolites...... RabertA. Zielinski, Peter W. Lipmanand Hugh T. Mittard, Jr. 426 Distribution of titanium between cbexisting muscovite and biotite in pelitic schists from northwestern Maine...... CharlesV. Guidotti, John T. Cheney and Stephen Guggenheim 438 Eardleyite as a product of the supergenealteration of nickel sulfides in Western Australia .-.....Ernest H Nickel, Charles E. S. Daois, Michael Bussell, Peter J. Bridge, Jefrey G. Dunnand Robert D. MacDonald 449 A reinvestigationof takovite,a nickelaluminum hydroxy-carbonate of the pyroauritegroup...... Dauid L. Bishand C. Ilt. Brindley 458 The role of fluid inclusionsin the exsolutionof clinopyroxene in bustamite from Broken Hill, New South Wales, Australia...... RonaldW. T. Wilkins and Dimitri A. Suerjensky 465 Titanium-containingsilicate garnets. I. The distribution of Al, Feo+,and Ti.+ between octahedral and tetrahedral sites...... FrankE Huggins, Dauid virgo and H. Gerhard Huckenholz 4i5 The crystal chemistry of the hydrous copper silicates, shattuckite and planch6ite ..Howard T. Euans, Jr. and Mary E. Mrose 4gl Rosenhahnite, CarSirO"(OFI)r: crystal structure and the stereochemical configuration of the hydroxylated trisilicate group, [SirO"(OH)r] ...... Che'ngll'an, Subrata Ghose and G. V. Gibbs 503 Holdenite, a novel cubic-packed structure .....paul B. Moore and Takaharu Araki 513 On the nature of syntheticblue diopside crystals:the stabilizationof terravalentchromium...... Henry D. Schreiber 522 Mechanismsof transformationand twinning in gillespiteat high pressure...... RabertM. Hazen 528 Estimation of K-O distance and tetrahedral rotation angle of K-micas from far-infared absorption spectral data...... HiroshiTatevama. Susumu Shimoda and Toshio Sudo 5J4

Mrissbauer spectroscopy of grandidierite, (Mg,Fe)A1rBSiO"...... F. Seifert and M. Olesch 547 Linear compressibilities of low albite: high-pressure structural implications...... RobertM. Hazen and Charles T. Prewitt 55,4 Infrared spectrum of analyzed samples of the amblygonite-montebrasite series:a new rapid, semi-quantitativedetermination of fluorine...... Andrb-Mathieu Fransolet and Pierre Tarle s59 The decarbonation of carbonate-fluorapatite (francolite)...... -Alan Mallhews and Yaacou Nathan 565 Hydrothermal mineralogy of Keolu Hills, Oahu, Hawaii...... Karen Y. Fujishima and Pow-JoongFaa 5't4 Mineral inclusionsin an Arkansas diamond...... M. Gary Newton, CharlesE. Melton and A. A. Giardini 583 Rare accessory uraninite in a Sierran granite...... K. G. Snetsingerand George Polkowski 587 589 The uniaxial negativewave surface-a simple teachingaid...... -...... W.S. MacKenzieand C. GuilJord 591 593 60r NOTICES 602

July, August1977 Numbers7 and8

Iron-titanium oxidesof the Dufek intrusion, Antarctica...... G\enR. Himmelberg and A. B. Ford 623 Zoned titanian augitein alkali olivine basaltfrom Tahiti and the nature of titanium substitutionsin augite ...... Robert J. Tracy and Peler Robinson 634 Titanium-containingsilicate garnets. II The crystalchemistry of melanitesand schorlomites...... Frank E. Huggins, Dauid Virgo and H. Gerhard Huckenholz 646 The oceanicbasalt-trachyte relation in generaland in the Canary Islands ....Felix Chayes 666 Unit-celldimensionsand molar volumesfor a sanidine-analbiteion- exchangeseries...... Guy L. Hoois 6'12 A solution calorimetricinvestigation of K-Na mixing in a sanidine-analbiteion-exchange series,...... GuyL. Houis and Dauid R. Waldbaum 680 The distribution of NaAISLO, betweencoexisting microcline and plagioclaseand its effecton geothermometriccalculations...... James A. Whitney and John C. Stormer, Jr 687 Overite,segelerite, and jahnsite: a study in combinatorialpolymorphism...... Pau\B. Moore and TakaharuAraki 692 Enumerationof4-connected 3-dimensional nets and classificationof framework silicates.I. Perpendicularlinkage from simple hexagonal net ...... Joseph V. Smilh 703 Stereochemical systematicsof ordered C2/c sllicate pyroxenes...... Paul H. Ribbe and Arthur R. Prunier, Jr. "ll0 Coherent exsolution in Fe-free pyroxenes... . Robert H. McCallister and Richard A. Yund 721 Mass transfer in sillimanite-bearingpelitic schistsnear Rangeley,Maine...... CharlesThomas Fosler, Jr. 721

Somemineral inclusionsfrom African and Braziliandiamonds: their natureandsignifcance'...... RichardS.MitchellandA.A' '163 Kanemite-innercrystalline reactivity and relationsto other sodium silicates...... K\aus Beneke and Gerhard Lagaly Structuralrefinements of dolomite and a magnesiancalcite and '772 impficationsfor dolomite formation in the marine environment...... Pene1opeL. Althofl Hydroxyl groups and water in palygorskite...... C. Serna, G E. VanScoyocand J. L. Ahlrichs 784

The structure of malayaite,CaSnOSiO., a tin analog of titanite ...... JohnB. Higgins and Paul H. Ribbe 801 A refinementof the structureof dioptase,Cu.[Si"O,r].6HrO. .. .,...... PaulH. Ribbe, G. V. Gibbsand Martha M. Hamil 807

Phosphophyllite,variation in composition ...... PeteJ. Dunn and Julie Norberg 818 X-ray study of K.LiFqnSruCl, a djerfisherite-like compound Benjamin S. Tani 819 Polishingtechniqueforgeologicsamples.'...... '....','.,..'.'.Josep

The water content of a syntheticquart2...... llt. C Godbeerand R. W. T. Wilkins 831

September,October 1977 Numbers9 and l0

Compositionalvariations of coexistingphases with degreeof meltingof peridotitein the upper mantle ..., Bjlrn O. Mysenand lkuo Kushiro 843 Exsolutionlamellae in augiteand pigeonite:fossil indicators of lattice parametersat high temperatureand pressure ...... PeterRobinson, Malcolm Ross,Gordon L, Nord, Jr., JosephR. Smythand Howard W. Jaffe 857 Variationin geothermometryand geobarometryof peridotiteintrusions in the

Petrogenesisand geochemistryof metabasalticand metasedimentaryenclaves in the Amitsoqgneisses, West Greenland ...... V. R. McGregorand Brian Mason 887 The origin of antiperthites in anorthosites Suzanne Mahlburg Kay 905 Cation distribution and high-temperaturecrystal chemistry of

A high-temperaturestudy of the thermal expansionand the anisotropy of the sodium atom in low albite .John K. Winter, Subrata Ghoseand Fujio P. Okamura 921 A periodic antiphasestructure model for the intermediateplagioclases (An33to An,,) ...... Timothy L. Groue 932 Barite solubilitiesand thermodynamicquantities up to 300'C and 1400 bars .. ...Charles ll/. Blount 942 Growth and microstructure of svnthetic chrvsotile Keiii Yada and Kazuaki lishi 958 Relation of nucleationand crystal-growthrate to the development of granitic textures ...... SamuelE. Swanson 966 Aristarainite,NarMg[B.O(OH)n], 4HrO: a sheetstructure with chains of hexaborate polyanions ...... Subrata Ghose and Che'ng Wan 979 The crystal structureof deerite ...... Michae1i ptrrt 990 Otwayite, a new nickel mineral from Western Australia ...... ErnestH Nickel. Bruce llt. Robinson. Charles E S. Dauis and Robert D. MacDonald 999 Paraspurrite,a new polymorph of spurrite from Inyo County, California " "'AtanA Cotuitteand Patricia A cotuitte 1003 r"-.ri;;, ; ;t;;;;i; ir," n,,i *".pi" attr;;;;;i;;;; ,;,..",ir, " specres. "r " . ...llilson W. Crook, III 1006 New data on yttrocrasite form the Clear Creek pegmatite, Burnet County, Texas . .. Crystallographic projection of chemical potential relationships as an aid in the interpretationof metasomaticzoning ...... JamesA. Grant l0l2 Metastability in serpentine-olivineequilibria ...... Michae1A. Dungan l0l8 Thermal behavior of valleriite Angel La lglesia, Mercedes Doual and Francisco Lopez-Aguayo 1030 Kinoite from Calumet, Michigan .....A. P Ruotsalaand Marc L. I|ilson 1032 Crystal structure and crystal growth: I. The influence of internal structure on morphology: a discussion ...... P. Hartman 1034 Crystal structure and crystal growth: L The influence of internal structure on morphology: a reply ...... EricDowty 1036 Anorthoclase-calciterodding within a kaersutitexenocryst from the Kakanui Mineral Breccia, New Zealand .R. Cleland Wallace 1038 Refinement of the crystal structure of pseudomalachite .. . Gerald L Shoemaker, James B. Anderson and Edward Kostiner lO42 The origin ol sulfide inclusions in pyroxene megacrysts Ronald Petersonand Donald Francis 1049 The solubility of amorphous silica in water at high temperatures and high pressures ...Robert O. Fournier and Jack J. Rowe 1052 NEW MINERAL NAMES .. .. IO57 NOTICES t062

November,December 1977 Numbersll and 12

Scapolite-plagioclasestability relations at high pressuresand temperaturesin the system NaAlSi.O"-CaAlrSirO.-CaCOr-CaSOn...... iulian R Goldsmith and Robert C Newton 1063 Chromite in the central sector of the Eastern Bushveld Complex, South Africa ..EugeneN. Cameron 1082 The bournonite-seligmannitesolid solution ...... lshiunsJ. Wu and Richard Tetrahedrite stability relations in the Cu-Fe-Sb-S system " " 'Kivoakiratsuka and Nobuo Morimoto lt'l r,r.;;ii;, ; ;;* -i""."r .ri"iJ ;;;il;i;; .Paolo Orlandi, Leonardo Leoni, Marcello Mellini and Stefano Merlino tll0 The crvstal struclureof tuscanite " """"""Marcetto Mettini sterano Mertino and GiuseppeRossi I I 14 r-iooi.".titf, ;;; ;;i;;;;;;;-;;;;* " "r'd" tourmalinegroup...... PeteJ. Dunn, Daniel E. Applemanand Joseph E Nelen ll2l Zaherite,a new hydratedaluminum sulfate...... A.P. Routsalaand L L Babcock ll25 Reinerite, Znr(AsOs)r: an arsenite with a novel type "t i:l::::^::::11 ::::]: :ii: .. .subrataGhose, paut Bouing, wiuiam A Lachapereand che,ng wan ,2e Hungchaoite,Mg(H,O)uBoOu(OH)r.2HzO: a hydrogen bonded molecularcomplex ...... Che'ngWan and SubrataGhose I 135 Channel constituents in cordierite ...... DonS Goldman, GeorgeR. Rossmanand WayneA. Dollase ll44 The refinement of zinnwaldite-lM in subgroup symmetry " """"""'stephenGuggenheim and s w Baitev 1158 c,.v,i"i ,i.,o,," ..n"r-"", ;i; ;;i; ;;i;;;;;;i;

Neoformation of hydrotalcite due to industrial inputs in marine sediments ...... MarcStofyn, Clffird H Dodge and Fred T. Mackenzie 1173 The system KrO-Al,O.-SiOr. Part I Phaseson the KAlSiOn-KAlO, join H S Parkerand r' Negastt80 jo.o,.;;; ' ' """"1' P' cook'R' s Roth' rh" ;;;;;i;;; t;;;;;;,';;n""1". orthoclase...... "i ...StanislauaJ. Horsky and Robert F. Martin I l9l Molal volumesof syntheticparagonite-muscovite micas...... JamesG. Blencoe 1200 Structural variation in the ferrobustamite solid solution...... Takamitsu Yamanaka,Ryoichi Sadanagaand Yoshio Takbuchi 1216 Natural alteration of vermiculite to chrvsotile ...... AmparoMifsud, VincenteFornes and JoseA Rausell-Colom 1225 Statistical mechanical calculation of aluminum-silicon

The error associatedwith point-counting .' .'Michael J ' Neilson and Geo More data on red muscovite ...... RandallL. Gresensand Howard L. Stensrud 1245 The synthesisand crystal structure of a magnesium-lithium- scandiumprotopyroxene. ....JosephR SmythandJunlto 1252