INDEX TO VOLUNIE 43

Leading articles are in bold face type; notes, abstracts and reviews are iu or- dinary type. Only for which delrnite data are given are indexed.

Absorption for rod-shaped single Andreev,Y. K.. . 797 crystals, correction for (Buer- Ankerite and dolon'rite,r-ray data ger, Niizeki) 726 for (Howie, Broadhurst). I2I0 Adsorption and retention of an or- Anthoinite (Niggli, Jager) 384 ganic material by montmoril- Arduinite (:mordenite) (Davis) 1224 lonite in the presenceof water Argon and helium, excess, in beryl (Brindley, Rustom). 627 and other minerals (Damon, Ajoite, a new hydrous aluminum Kulp).... ., 433 silicate (Schaller, Vli- Arsenolamprite ( :arsenic farsen- sidis) .. tt07 olite) (Padera,Fischer) . 1225 Alkali amphiboles, classilication of Ashby, G. E., and Kellagher, R. C. (Miyashiro, Iwasaki) (An- Apparatus for the study of dreev) 797 thermoluminescence from Alkali feldspars: IV. The cooling minerals 695 hiStory of high-temperature Atchley, F. W. Low-magnifrcation -rich feldspars (Smith, thin-sectionphotography .. 997 MacKenzie). 872 Atoms and ions in miuerals,chart Aller-r, R. D., and Almond, H., showingthe sphereof influence Nonfibrous ulexite from the of (Remick) 166 Kratner District, California 169 Autenrieth,H.. . 1221 Almond, H., with Smith, G. L., and Axelrod, J. M., with Milton, C.' Sawyer, D. L. Sassolite from Carron, M. K., and MacNeil, the Kramer borate district, tr'. S. Gorceixite from Dale California 1068 County,Alabama.... 688 with Aller-r. R. D. Non- with Milton, C., and In- llbrous ulexite from the gram, B. Bismutoferrite, chap- Krarner District, California 169 manite and "hypochloritett.. . 656 Alttn'rian (:natroalunite) (Moss) 1225 Aluutinum boride monocrystals, (IJ-MnS), unnamed (Baron, Deby- microhardness of (Cotter) 781 ser) . 795 Alurnochalcosiderite (:alumini- Barbierite (:nicrocline) (Schnei- an chalcosiderite) (Fischer) . 122+ der, Laves) 1008 Anrbrarnovich, Y. M. 1222 Baron, G 795 Ames, L. L., and Sand, L. B. Fac- Barton, P. B., Jr, Synthesis and tors effecting maximum hydro- properties of carnotite and its thermal stability in montmoril- alkali analogues, 799 lonites 641 Bassett, W. A. Copper vermiculites -- Hydrothermal synthesis in from northern Rhodesia . . . 1112 wairakite and -mor- Bastiansen, O., with Vogt, T., and denite . '. 47 6 Skancke, P. Holmquistite as a Amphibole paragenesis in the Bid- rhombic amphibole 981 well Bar region, California, Batchelorite (:rnuscovite) (Both- significance of (Compton). . 890 well, Moss). 1008 Anstutz, G. C. (Book Review). 788 Bates, T. F. Selected electron 794 rnicrographs of clays and other Andradite-spessartite garnet from fine-grained minerals (Book Pajsberg,Sweden (Lee). . . 208 Review)... ..l2l8 1226 INDEX TO VOLUME 43 1227

Bayerite (natural):gibbsite (Sas- Buerger, M. J., and Kennedy, vari, Zalai) 626 G. C. Ir.nproved specimen Beamish, tr'. E., with Westland, holder for the focusing-type*- A. D. Chemical analysis of ray spectrometer. 756 iridosmines and other plati- and Niizeki, N. Correction num-metal minerals 503 for adsorption for rod-shaped Bellite (Strunz).. 798 single crystals. 726 Beryl and other minerals, excess Bunting, E. N., and Van Valken- helium and argon in (Damon, burg, A. Some properties of Kulp) . +33 diamond 102 Beryllium content of roscherite Burst, J. F. heterogeneity from the Sapucaia pegmatite in "glauconite" pellets 481 mine, Minas Gerais, Brazil Bur'1'anova.E. 2.. . . 623 (Lindberg).. 82+ Butkovich, T. R. Hardness of single Bikitaite additionaldata on (Hurl- ice crystals 48 but).. . 768 Biotite, chlorine-rich, from Lemhi Cadmoselite (Bur'yanova, I{ova- County, Idaho (Lee) r07 lev.Kornkov)...... 623 Bismutoferrite, chapmanite and Cailldre,S.... 1223 "hypochloritett (Milton, Axel- , melting of in the presence rod,Ingram).... .626,656 of water and carbou dioxide Bisrnutomicrolite (Zalashkova, (Paterson). 603 Kukharchik) t223 Calcium-mordenite and wairakite. Blade, L. V. 1006 hydrothermal synthesis in with Rose, H. J., Jr., and (Ames, Sand). 476 Ross, M. Earthy monazite at Carnotite, synthesis and properties Magnet Cove, Arkansas . . . 995 and its alkali analogues (Bar- Blix, R. 387 ton) 799 Bonattite (Garavelli) 180 Carr, R, M., and Fyfe, W. S. Some Bonchevite (Kostov). l22l observations on the crystalli- Bose, M. K. Goethite-hematite re- zation of amorphous silica 908 lation. . . . . 989 Carron, M. K., with Glass, J. J., Bothwell, D. L. 1008 Evans, H. T., Jr., and Hilde- Brarrche,G.. . . 180 brand, F. A. Cerite from Braune, G.. . . t22l Mountain Pass, San Bernardi- Breger, I. A. (Book Review) . . 788 no County, California 460 Breislakite (:vonsenite) (Fedcri- with Milton, C., MacNeil, co,l.... 626 F. S., and Axelrod, J. M. Gor- Brindley, G. W., and Rustom, M. ceixite from Dale County, Adsorption and retention of an Alabama. 688 organic material by montmor- Mrose,M. E., and Murata, illonite in the presence of K. J. Relationof ionic radiusto water. 627 structures of rare-earth phos- Broadhurst, F. M., with Howie, phates, arsenates and vana- R. A. X-ra1, data for dolomite dates.. .. 985 andankerite.. .. t2r0 C6l6bonovic,S. The Living Rocks Bruyerite (Tacnet.l 624 (BookReview)... 177 Buckle, E. R., and Taylor, H. F. W. Cerite from Mountain Pass, San Calcium analogue of chon- Bernardino County, Calif ornia drodite . . . E18 (Glass, Evans, Carron, Hilde- 1228 INDEX TO VOLUME 43

brand). .. . . 460 tionships among impurity con- Chalmers,R.A...... 624 tents, color centers and lattice Chantret,F...... 180 constantsin . 58 Chao, E. C. T., with Milton, C. Conibeite(Sahama, Hytdnen).... 791 Eskolaite in "nerumite" frorn Compton, R, R. Significance of British Cuiana t203 amphibole paragenesis in the Chapmanite, bismutoferrite, and Bidwell Bar region, California 890 ('hypochlorite" (Milton, Axel- Comuccite (:jamesonite) (Gara- rod, Ingram). 656 velli).. 1225 Chaprnanite,bismutoferrite, h)'po- Concise International Dictionary chlorite (Milton, Axelrod, In- of Mechanics and Geology gram).. 626 (BookReview)...... 1004 Chayes, F. Memorial of Samuel Constitution of Binary Alloys. James Shand. 317 (Hansen)(Book Review). . . 1217 Chemical Engineeringin the Coal Copper vermiculites from northern Industry (F.W. Sharpley,Ed.) Rhodesia(Bassett). .. 1112 (Book Review). 788 Corey, A. S., with Gross, E. B., Chernikov,A. A. 383 Mitchell, R. S., and Walenta, Chondrodite, calcium analogue of K. Heinrichite and metahein- (Buckle, Taylor) .. 818 richite, hydrated barium ura- Chlorine in serpentinized dunite nyl arsenateminerals ... . . 1134 @arley).... 148 Corwin, J. F., with White, J, F., Chlorite, chromium, skuctural and and Shaw, E. R. A chalcedony- chemical variation in (Lap- like variety of germania, GeO2 580 ham). . 921 Cotter, P. G. Microhardness of Chlorite, white, from Cobargo, aluminum boride monocrystals 781 N.S.W. (Loughnan,See). .. . . 671 Crandallite (pseudowavellite) frorr Chlorites, synthesis of, and their Gardner Mine Ridge, Law- structural and chemical con- renceCounty, Indiana (Green- stitution(Nelson, Roy)...... 707 berg,Elberty).. 983 Christ, C. L., with Ross, M. Min- Cuspidine, synthetic (Van Valken- eralogical applications of elec- burg,Rynders)...... 119.5 trondiffraction.... 1157 Chrome mica-clay, Temple Moun- Dahhlite pseudomorphsaf ter tain, Utah (Kerr, Hamilton). . 34 concretions (Mitchell, Sher- Chromian from Baker wood)...... 600 Mountain, Virginia (Dietrich) 162 Damon, P. E., and Kulp, J. L. Ex- Cipriani,C.... 378 cesshelium and argon in beryl Clay-carbonate-soluble salt inter- and otler minerals. . . 433 iction during differential tler- D'Ansite(Autenrieth, Braune) ... l22l mal analysis(Martin)...... 649 Davis,R.J...... 1224 Coeruleolactite(:Ca analogueof Day, G., with Sabine,P. A,, and turquois)(Fischer).. ... 1224 Rowe, R. H. Device for pre- Coffinite, thorite and uranotlorites, cisely controlling an iris dia- synthetic, x-ray studies of phragm. 784 (Fuchs,Gebert). 243 Debyser,J...... 795 Cohen,A, J., and Rice, R. V, New De Las Casas,F. 794 method for orienting electron Denning,R. M. (Book Reviervs)618,622 microscopereplicas... .. 25 Diamond, some properties of - and Sumner, G. G. Rela- (Bunting, Van Valkenburg). . . 102 INDEX TO VOLUME 43 t229

Dietrich, R. V. Chromianmuscovite Eskolaite in "merumite" from from Baker Mountain, Vir- British Guiana (Milton, Chao) t203 ginia.. 162 Evans,H. T., Jr. . 3E5 Differential Thermal Investigation (Book Review). ,/5r of Clays (Mackenzie, Ed.) with Glass, J. J., Carron' (BookReview).... 617 M. K., and Hildebrand' F. A. Digenite, CueS5,crystal and twin Cerite from Mountain Pass' structure of (Donnay, Donnay, San Bernardino CountY, Cali- Kullerud) 228 fornia ... 460 Discreditedminerals. . . 626, 1008,1224 Dolomite and ankerite, x-ray data Fahey, J. J.. 625 for (Howie,Broadhurst) ... . 1210 Faick, J. N., and Hildebrand, F. A. Dolomonova,E. I.. . . 386 An occurrence of molybdenian Donnay,G. (BookReview)..... 376 stolz.itein ... .. 15(r Donnay, J. D. H., and Faust, G. T. (Book Reviews) '. . . . Kullerud, G. Crystal and twin . 178,616,617 stnicture of digenite, CusSs.. 228 Federico,M..... 626 Donnay,J.D.H. (Book Review) 376 Ferroelectricity in Crystals (Me- with Donnay, G., and Kul- gaw) (BookReview).... 787 lerud, G. Crystal and twin Ferutite(Getseva,Savel'eva).... 382 structure of digenite CugSo 228 Fischer,E.. . 1221 Douglass, R. M. Fisher, D. J. Pegmatite PhosPhates ofsanbornite,BaSizOs...... 517 andtleirproblems " 181 Duffin,W. J.. ... 384 Addendum to the pegma- titephosphates...... 609 Earley, J. W. On chlorine in ser- Note on lithioPhosPhate... 761 pentinizeddunite. . . 148 Refractometerperils...... 777 Einfiihrung in die Kristallographie and Runner' J. J. Mor- (Kleber) (Book Review) . . 788 inite from the Black Hills. . . . 585 Eitel,W..... 626 Fleischer, M. Memorial of Benno Elberty, W. T., with Greenberg, Wasserstein...... 331 S. S. Crandallite(pseudowavel- New mineral names . .. lite) from Gardner Mine . . . . . 180,378, 623, 790, 1006, 1219 Ridge, Lawrence County, In- - (Book Review)... 616 diana.. 983 Flokite (:mordenite) (Davis). . 1224 Electron diffraction, mineralogical Foshagite: composition'unit cell and applications of (Ross, Christ) rr57 dehydration (Gard' Taylor) 1 Electron microscope replicas, new Foster, L. M., Long, G., and method for orienting (Rice, Stumpf, H, S. Production of Cohen)...... 25 single crYstals bY Ernerson, D. O. Stage for macro thermal decomposition of alu- pointcounting 1000 minum carbide..... 28.5 English,G. L., and Jensen,D. E. Francevillite (Branche, RoPert, Getting Acquaintedwith Min- Chantret,Morignat, Pouget). '180 erals.2d ed. (Book Review) 1217 Frenzel,G...... 1219 Eosphorite-childrenite series, op- Frolovite (Petrova) 38.5 ticsof (Wirrchell).. ... /05 Frondel, C 793 Erdelyi,.J. . . r222 Fuchs, L. H. Formation and ProP- Eskolaite, a new chromium mineral erties of synthetic thorite crys- (Kouvo, Vuorelainen). 1098 tals.... 367 1230 INDEX TO VOLAME 43

, and Gebert, E. X-ray Over, E. Yttriurn-bearirlg peg- studies of synthetic coffinite, matite body near Lake George, thorite and uranothorites 243 Park County, Colorado 991 Fyfe, W. S., with Carr, R. M. Some "Glauconitett pellets, mineral het- observations on the crystal- erogeneity in (Burst). . 481 lization of amorohous silica 908 Goethite-hernatite relation (Bose) 989 Goldsmith, J. R., and Graf, D. L. Gabrielson, O. 387 Relation between lattice con- Garavelli, C. L. I 80, 1225 stants and composition of the Curd,J. A. 624 Ca-Mg carbonates . . 8+ and Taylor, H. F. W. Goniometer head, double arc, for Foshagite: composition, unit crystal orientation sawing and cell and dehydration I grirrdirrg(Ciardirri) 370 Garnet, con'rpositionand physical Coodrnrrrr,N. Il 791 propertiesof (Winchell).. 59.5 Goodyear, J. 384 Gebert,E., with Fuchs,L. H. X-ray Gorceixite from Dale County, Ala- studies of synthetic coffinite, bama (Milton, Axelrod, Car- thorite and uranothorites 243 ron, MacNeil) 688 792 Geffroy, J. Gorceixite, occurrence in Arkansas B. H.. 1006 Geier, (Yotrrrg).. 762 Gelbertrandite, spherobertrandite Gotrrran,Y. D. . t007 (Semenov).. . . 1219 Gdtzenite (Sahama, Hytiinen) . 790 Gerasinovskite (niobobelyankin- Gradwell, I{. A simple fusion rneth- ite), mangano-belyankinite od for determination of plagi- (Sernenov) . . 1220 oclase feldspar frotn thin sec- Germania, GeOz, a chalcedony-like tion. 368 variety (W'hite, Shaw, Corwin) 580 Graf, D. L., with Goldsmith, J. R. Getseva, R. V. 378 Relation between lattice con- Getting Acquainted with Minerals. stants and composition of the 2d ed. (English, Jensen) (Book Ca-Mg carbonates . . 8+ Review)... ..1217 single crystals, produc- Giannini, W. F., with Mitchell, Graphite by thermal decomposi- R. S \atrojarusile fronr near tion of of aluminurn carbide (Fos- the Montana-Wyonring line. . 1205 tion ter, Long, Stumpf) zt\a Giardini, A. A. Dorrble arc gorti- ometer head for crystal orien- Greenberg, S. S., ar-rd Elbertl', (pseudo- tatior.r, sa'lving arrd grinding 370 W. T. Crandallite Piezobirefringence in sili- wavellite) from Gardner Mine con...... 249 Ridge, Lawrerrce County, In- Study of the directional diana 98.1 hardness in siliuon 957 Grigor'ev, l. F.. 386 Gillespite, leached, a sheet silicate, Gross, E. 8., Corey, A. S,, Mitchell' structure of (Pabst). 970 R. S., and Walenta, K. Hein- Girrlekhite(Khalifa-Zade)... 1223 richite and metaheinrichite, uranyl ar- Glass, J. J., Evans, H. T., Jr., hydrated barium Carron, M. K., and Hilde- senateminerals.. 113,1 brand, F. A. Cerite from Guillemin, C. 796 Mountain Pass, San Ber- Guir.riercamera, ntrltiple, applica- nardino County, Catifornia 460 tior.r in clay ntiner:tl sturlies --, Rose, IJ. J., Jr , and (Porrenga) . 770 INDEX TO VOLUME 43 t23l

Hiiggite (Evans, Mrose)...... 385 with special reference to taPi- Hallirnond, A. F. Manual of the olite from southern Westland' Polarizing Microscope (Book New Zealand lI2 Review) 616 Hydroparagonite (Erdelyi, Ko- Hamilton, P. K., with Kerr, P. F. blencz,'Iolnay)... 1222 Chrome mica-clay, TemPle "Hypochlorite," bismutoferrite and Mountain, Utah.. . 34 chapmanite (Milton, Axelrod, Hansen, M. Constitution of Binary Ingram)...... 656 Alloys. (Book Review) 1217 Hypochlorite,bisrnutoferrite, chap- Hayase, K.. 623 manite (Milton, Axelrod, In- Hayes, E T. (Book Rer iern'). . . 1218 gram). . . 626 Heating stagc, liquid, a uerv lol- Hytdnen, K...... 790,791,795 ternperature (Virgin, Merssoni) 606 with Sahama,T. G. Calci- FIeidc, F. I{leiue Nleteoritckunde um-bearing magnesium- (BookReview).... 177 olivines" ' ' 862 Fleirrrich, E. Wrn. (Bool< Revicws) 177,1001 Ice crystals, single, hardness of Heinrichite and metaheinrichite, (Butkovich). 48 hydrated barium uranyl ar- Idaite (Frenzel). . 1219 senateminerals (Gross,CoreY' Indergand,P..... 1008 'Walenta). Mitchell, 1134 indice Alfab6tico Para el Dic- Helium and argon,excess, in beryl cionario Minero (EsPaflol, and other minerals (Damon, Franc6s, Alemdn Y Ruso) Kulp) . +33 (Novitzky) (Book Review) 1004 H6nin,S. 1223 Ingerson,E. (Book Reviews)' . Hessenbergite (:bertrandite) 176, 177, 376, 1004,1217 (Parker,lrrdergarrd) 1008 Ingram, B., with Milton, C., and I-Iildebrand, F. A., rvith Faick, Axelrod, J. M. Bismutoferrite' J. N. An occurrerlceof molyb- chapmanite and "hYPochlor- denianstolzite in Arizona. . . 156 itett 656 with Glass, J. J., Evans, Inyoite at Lagurl'a Salinas, Peru' H. T., Jr., and Carron, M. K. first known occurrence in a Cerite from Mountain Pass' playa(MuessiC)...... ll4+ San Bernardino Countv, Cali- Ionic radius, relation to structures fornia. . 460 of rare-earth phosphates, arsc- Holmquistite as a rhombic am- nates and vauadates (Carron, phitrole (Vogt, Bastiansen, Mrose,Murata)..... 985 Skancke). . . 981 Iridosmines and other platinum- Flooker, M. . 624 metal minerals, chemical anal- L{orobetsuite (Hayase) 623 ysis of (Westland, Beamish). 503 Horvie, R. A., and Broadhurst, Iriginite (Soboleva, Pudovkina). . . 379 F. M. X-ray data for dolon'rite Iris diaphragm, device for precisely and ankerite .. . 1210 controlling (Sabine, Rowe, Hunt, W. F. Acceptance of the Duy). . 784 Roebling Medal . 336 lron-alabandite (Ramdohr)'.... 378 Huntite from Tea Tree Gully, Iron Beneficiation (Roe) (Book South Australia (Skinner). 159 Review) . . . 376 Hurlbut, C. S., Jr. Additional data Isogyres in interference figures on bikitaite. . . 768 (Kamb). 1029 Ilutton, C. O. Notes on tapiolite, Iwasaki, M' 797 t232 INDEX TO VOLUME 43

Jziger,E. .. .. 384 type structures: A proposed Jagoite (Blix, Gabrielson, Wick- boundary-strucfure model 263 man, J6/ Komkov, A. I.. 623 Jasmund,K. Die SilikatischenTon- Kopchenova,E. V. 383 minerale (Bool

Leucite nepheline dolerite of ble salt interaction during dif- Meiches, Vogelsberg, Hessen ferential thermal analysis, . . 649 ('filley). 758 Mason,8..... 1008 Lindberg, M. L. Beryllium content Nlassoni,C. J., with Virgin,W. W., of roscherite from the Sapu- Jr. A new low-temperature, caia pegmatite mine, Minas liquidheating stage. . 606 Gerais, Brazil. . . 824 Mathieson, A. M. Mg-vermiculite: Lithiophosphate,note on (Fisher). 76r a refinement and re-examina- Livilg Rocks (Cildbonovic) (Book tion of the-crystal structure of Review).. . 177 the 14.36A phase 216 Lodochnikite(Cotman) . . 1007 McConnell, D. The so-called"oxy- Lodochnikite (Soboleva, Pudov- genexcess". 786 kina) 380 - - - (Book Review). 6r9 Long, G., with Foster, L. M., and and Murdoch, J. Crystal Stumpf, H. S. Production of chemistryofscawtite .... 498 graphite single crystals by Mclachlan, D., Jr. X-ray Crystal thermal decomposition of alu- Structure (Book Review). . . 620 minum carbide . . 285 Meen, V. B. Memorial of Arthur Losert,J. 792 Leonard Parsons. 302 Louderback, George Davis, me- Megaw, H. D. Ferroelectricity in morial of (Pabst) 297 Crystals (Book Review). . . . 787 Loughnan,F. C., and See, G. T. Melkov, V. G. 1008 White chlorite from Cobargo, with Thompson, M. 8., N,S,W 67r and Roach,C. H. Sherwoodite, a mixed vanadium(IV)-vana- MacKenzie, W. S., with Smith, dium(V) mineral from the Col- J. V. Alkali feldspars:IV. The oradoPlateau... .. 749 cooling history of high-tem- - Simplotite, a new quadri- perature sodium-rich feld- valent vanadium mineral from spars 972 the ColoradoPlateau. 16 MacNeil, F. S., with Milton, C., Mg-Al oxides and silicates, physi- Axelrod, J. M., and Carron, cal properties and bond type in M. K. Gorceixite from Dale (Verhoogen) 552 County, Alabama. . . . 688 Mg-vermiculite: a refinement and N{acro point countir.rg,stage for re-examination of the-crystal (Emerson) 1000 structure of the 14.36A phase Magak'Yan,I. G. 1223 (Mathieson) 216 N{agnetic susceptibilitiesof min- Milton,C.... 1006 eralsin the Frantz Isodyr.ranric (Book l{eview) L2I7 separator(Rosenblum) ... 170 Axelrod, J. M., Carron, silicate, unnamed M. K., and MacNeil, F. S. (Smirnov). 793 Gorceixite from Dale County, Mangano-belyankinite(Semenov) 1220 Alabama. 688 --t Nlanual of the Polarizing Micro- Axelrod, J. M., and In- scope (Hallimond) (Book Re- gram, B. Bismutoferrite, chap- view) 616 manite and "hypochlorite". 656 Marcasite and pyrite, differential and Chao, E. C. T. Esko- thermal analysis of (Kopp, laite in "merumite" from Brit- Kerr). .. to79 ishGuiana...... 1203 Martin, R. T. Clay-carbonate-solu- Mineralogical Society of America 1234 INDEX TO VOLUME 43

Award, acceptance of @oy). . 346 rare-earth phosphates, arse- Mineralogical Society of America nates and vanadates. 985 Award, presentation to Rus- Muessig, S. First known occur- tumRoy(Osborn).. .. 3+1 rence of inyoite in a Playa, at Mineralogical Society of America, Laguna, Peru ll44 proceedings of the thirty- Murata, K. J., with Carron, M. K., eighth annual meeting at At- and Mrose, M. E. Relation of lantic City, New Jersey 349 ionic radius to structures of List of papers of special min- rare-earth PhosPhates, arse- eralogical interest presented at nates and vanadates 985 annual meeting.. ,. 362 Murdoch, J. Phosphate minerals of List of fellows and members 388 the Borborema Pegrnatites. II. Nlineralogische Tabellen (Strunz) BoqueirSo. 1148 (Book Review). . 619 with McConnell' D. CrYs- Nlirr6raux D'uraniutn dLr Haut tal chemistry of scawtite . . 498 I(atanga (Vaes, Guillemin, -, 'rvith Tunell, G. LaboratorY L)estas) (Book Review) . 1218 Manual of CrystallograPhY for N{itchell, R. S., and Giannini, W. F. Studerts of Nlineralogy and Natrojarosite from near the Geology (Book Review). . 618 Montana-Wyoming line 1205 --, with Gross, E. 8,, Corey, Nakaya, U. Snow Cr1'stals, Nat- A.S., and Walenta, K. Hein- ural and Artificial (Book Re- richite and metaheinrichite. vielv). 622 hydrated barium uranyl arsen- Natrojarosite from near the Mon- ate minerals 1134 tana-Wyoming line (Mitchell, _ and Sherwood, w. c. Giannini) 1205 Dahhlitc pseudomorphs after Nelson, B. W'., and RoY, R. SYn- pyrite concretions. 600 thesis of chlorites and their Miyashiro,A..... 797 structlrral and chemical con- N{oluranite (Soboleva, Pudovkina) 380 stitution. . 707 N'Iolybdenian stolzite, an occurrellce Nendo-Kobutso (Clai' Miner:rls) irr Arizona (Faick. Hilde- (Sudo) (Book Review) 1217 brand). 156 Nepheline, natural, a comPlex form Monazite, earthy, at Magnet Cove, fron Iivaara, Finland (S.- Arkansas (Rose, Blade, Ross). 995 hama). . . 165 Montmorillonites, factors effecting New data 384,626,795,1223 maximum hydrothermal sta- New mineral names. . bility in (Ames, Sand). 641 . . .180,378, 623, 790, 1006, 1219 N{orignat,B..... 180 Niggli, E. 384 Morinite from the Black Hills Niizeki, N,, with Buerger, M. J. (Fisher, Runner). . 585 Correction for absorPtion for N{oss,A. A. . 1008,1225 rod-shaped single crYstals 726 Mountain,E. D.., 624 Nioboloparite (Tikhonenkor', Kaz- Mountainite, Rhodesite (Moun- akova). 792 tain) (Gard, Taylor, Chal- Novak, F. 792 rners) 624 Novitzky, A. indice Alfab6tico Mrose, M. E.. 385 Para el Diccionario Minero with Carron, M. K., and (EspaRol, Franc6s, Alerndn Y t004 Murata, K. J. Relation of Ruso) (Book Review) ionic radius to structures of Tables for the iVlicroscoPic TNDEX TO VOLUME 1.] 1235

and X-ray Determination of Petrova,E. S.. . 385 the Opaque Minerals ("Tablas Phosphate minerals of the Por- Para la Determinaci6n Micro- borema pegmatites. II. Bo- sc6pica y Rayos X de Min- queiro (Murdoch) I 148 erales Opacos") (Book Re- Physicsand Chenlistry oI the Earth view) l/o (Book Review). 616 Pierror, R.. 796 Obruchevite (Getseva, Savel'eva) 380 Plagioclase, heated, optical prop- Obruchevite (Kalita) 797 erties of (Smith). . . 1179 Olivine and orthopyroxene in basic Plagioclasefeldspar, a sirnple fu- lavas and shallow intrusions, sion method for deterrnirration alteration of (rMilshire). . . 120 fron'rthin section(Gradwell). . 368 Olivines, calcium-bearing magnesi- Plagioclase feldspars, efect of um-iron (Sahama, Hytiinen) 862 temperature, structural state Orcel, J. 1223 and composition on the albite, Ordite (Ambramovich). 1222 pericline and acline-A twins Organov,.\.I.... 383 of (Smith).... 54(r Orlite (Soboleva, Pudovkina) 381 Planerite (:cuprian coeruleol:rc- Clrl,rva,Z. \-. t222 tite and calcian turquois) Orthochamosite (Noval<. Vtelen- (Fischer) . 122+ sky, Losert, Kupa, Valcha) 792 Platinum-metal minerals, chemical Osborn, E. F. Presentation of the analysis of (Westland, Beam- Mineralogical Society of ish). . 503 America Award to Rustum Porrenga, D. H. Application of Roy 344 nrultiplt' Guinier canrerain Over, E, with Glass, J. J., and clav nineral studies. 770 Rose, H J., Jr. Yttriunr-bear- rrfxation" by expanda- ing pegmatite bodl' near Lake ble clay minerals derived from George, Park County, Colo- muscovite,biotite, chlorite and rado 991 volcanic material, effects of "Ox1'gen excess," so-called (Mc- geologicsignificance of (Weav- Connell) 786 er) 839 Pouget,R.. 180 Pabst, A. Memorial of George Przhevalshite (Soboleva. Pudov- Davis Louderback 297 kina) 381 --- The structure of leached Ptilolite, Flokite, Arduinite (all gillespite, a sheet silicate 970 :mordenite) (Davis) 122.+ (Book Review) 620 Ptrdovkirra,L A. .. . 378 Padera, K. 1225 Pukhal'skii,L. C.. 1008 Parapitchblende (Geffroy, Sarcia) . 792 Pyrite and marcasite, differential Parker, R L. 1008 thermal analysis of (Kopp, Parsons, Arthur Leonard, memorial Kerr) 1079 of (Meen). 302 Paterson, M. S. Melting of cerlcite Quartz, relationships among im- in the presence of water ar-rd purity contents, color centers carbon dioxide 603 and lattice constants in (Co- Pegmatite phosphates, addendun hen, Sumner) 58 to (Fisher). 609 Pegmatite phosphates and their Rabbitt, John Charles. memorial problems (Fisher) 181 of (Larsen) 307 t236 INDEX TO VOLUME 43

Ramdohr,P...... 378,794 (BookReview)...... 376 Ramsdell, L. S. Presentation of the Rose,H. J., Jr., Bl:rde,L. V., and Roebling Medal to'Walter F. Ross, M. Earthy monar,ite at Hunt 331 Magnet Cove,Arkansas 995 -, , Bool

structure and properties of view) 12t8 natural and synthetic minerals 171 Serpentine rninerals, characteriza- Sahama,T. G. A complex form of tion of (Whittaker, Zussman) 9t7 natural nephelinefrom Iivaara, S. JamesShand Memorial Volume. Finland. 165 (Taljaard, M. S., Editor.) .. 7e0,79t.79s (BookReview)...... r78 -, and Hytiinen, K. Calcium- Shand, Samuel James, memorial bearing magnesium-iron oli- of (Chayes). 317 vines.. 862 Shaw, E. R,, with White, J F., and Sanbornite, BaSizOr, crystal struc- Corwin, J.F. A chalcedony- ture of (Douglass). . . 517 like variety of germania, GeOz 580 Sand, L. B., witl Ames, L. L. Fac- Sherwood W. C., with Mitchell, tors effecting maximum hy- R. S. Dahhlite pseudomorphs drothermal stability in mont- after pyrite concretions...... 600 morillonites. (t4l Sherwoodite, a mixed vanadium- Hydrotlermal synthesis in (IV)-vanadium(V) mineral wairakite and calcium-mor- from tle Colorado Plateau denite. 476 (Thompson, Roach, Meyro- Santafeite(Sun, Weber) 623 witz). . 7+9 Santafeite, a new hydrated vana- Silica, amorphous, some observa- date from New Mexico (Sun, tions on ttre crystallization of Weber). 677 (Carr, Fyfe). 908 Sarcia,J.A...... 792 , piezobirefringence in (Gi- Sassolite, new occurrencesin the ardini). 249 UnitedStates (Smith).... t204 Silicon, study of the directional Sassolite from tie Kramer borate hardness in (Giardini) 957 district, California (Smith, At- Silikatischen Tonminerale, 2d ed. mond, Sawyer).. 1068 (fasmund)(Book Review).. . 178 Sasvari,K.. . 626 Simplotite, a new quadrivalent va- Savel'eva,K. T.. . 378 nadium mineral from the Colo- Sawyer, D. L., with Smitl, G. L,, rado Plateau (Thompson, and Almond. H. Sassolite from Roach,Meyrowitz).... 16 the Kramer borate district, Skancke, P., with Vogt, T., and California ... 1068 Bastiansen, O. Holmquistite Sborgite (Cipriani) 37E as a rhombicamphibole. .. 981 Scarbroite(Duffin, Goodyear). ... 384 Skinner, B. J. Huntite from Tea Scawtite, crystal chemistry of Tree Gully, South Australia 159 (McConnell,Murdoch)...... 498 Skvortsova,K. \r.. . 383 Schaller,W. T., and Vlisidas, A. C. Slavik, Frantiiek, memorial of Ajoite, a new hydrous alumi- (Kutina). 5ZJ num coppersilicate...... ll07 Slepnev,Y. S.. . 795 Schneider,T.R...... 1008 Srrrirnov,S. S. 793 Schuilingite (Guillemin, Pierrot) . . 796 Smirnovskite (Grivor'ev, Dolouro. See G. T., with Loughnan, F. 'White C. nova).. 386 chlorite from Cobargo, Smith, G. L., Almond H., and N.S.w. 671 Sawyer, D. L. Sassolite from Semenov,E. I...... 1219,1220 the Kramer borate district, SelectedElectron Micrographs of California 1068 'fhe Clays and Other Fine-grained Smith, J. B., with Saha, P. Minerals. (Bates) (Book Re- structllre and properties of 1238 INDEX TO VOLAME 43

natural and synthetic minerals 174 thermal decomposition of alu- Smith, J. R. Optical properties of minumcarbide.. 285 heated plagioclases 11,79 SLrdo,T. Nendo-Kubutso (Cltr1' Smith, J. V. Effect of temperature, n-rirrerals)(Book l{er-ierv) .. . 1217 structural state and composi- Sumner, G. G., and Cohen' A. J. tion on ttre albite, pericline and Relation among impurity con- acline-A twins of plagioclase tents, color centersand lattice feldspars 546 constants in qtartz. 58 and MacKenzie, W. S. Al- Sun,M. S.. 623 kali feldspars: IV. The cool- and Weber, R, H. Santa- ing history of high-tempera- feite, a new hydrated vanadate ture sodium-rich feldspars. . 872 from New Mexico 677 Smith, R. L. New occurrence of Syneiek, V. 385 sassolite in the United States 1204 System CaO-A1:Oa-SiOrHzOIV: Snow Crystals, Natural and Artih- Phase equilibria in the high cial (Nakaya) (Book Review) 622 lime portion of the system Soboleva, N{. V.. . 378 CaO-SiOz-HzO (Roy).. .. 1009 Sodium autunite (Chernikov, System Fe:Or-MnsOe (Van fIook, Krutetskaya, Organov). 383 Keith) 6q Sodiurn lJranospinite.. 383 Sogrenite(Soboleva,Pudovkina) 382 Tables for the Microscopic and X- So,hnge,G.. 1006 ray Determination of the Specimen holder, improved, for the Opaque Minerals ("Tablas focusing-type X-ray spec- para la Determinaci6n Micro- trometer (Buerger, Kennedy) 756 sc6pia y Rayos X de Minerales Sphalerite, differential thermal Opacos"), 2d ed. (Novitzky) analysis of (Kopp, Kerr) 732 (BookReview).... 176 'Iables Spherobertrandite(Semenov)... 1219 Permettant le D6potrille- Stainierite (Orcel, H6nin. Caillbre) 1,223 ment des Diagranmes de Ray- Steiner, A. Occurrence of wairakite ons X et Abaques de R6glage at The Geysers, California. . . 781 des Monochromateurs d Lame Stibiotellurobisrnuthite (Magak'- Courbe (Rose) (Book Review) 376 Yan). 1223 Tacnet, G.. 624 Stottite (Strunz, Srihnge, Ceier) 1006 Tapiolite, notes on, with special Stnrcture and properties of natural reference to tapiolite from and synthetic rlinerals (Saha, southern W'estland, New Zea- Smith) 174 land (Hutton) 712 Structure Reports for 1951 (Book Taylor, H. F. \\r.. 624 Review). . . 622 , with Buckle, E. R. Calci- Strul

rowitz, R. Sherwoodite, a Verhoogen, J. Physical properties mixed vanadium(IV)-vanadi- and bond type in Mg-Al oxides um(V) mineral from the Colo- and silicates 552 rado Plateau. 719 Viberlite(Coodman) 791 Simplotite, a new quadri- Virgin, W. W , Jr., and Massoni, valent vanadium mineral from C. J. A new low-temperature, the ColoradoPlateau 16 liquid heating stage. 606 'fhoreau, I... 795 Vlisidis, A. C., with Schaller,'W.T. Thorite crystals, synthetic, forma- Ajoite, a new hydrous alu- tion and propertiesof (Fuchs) 367 minum copper silicate lL07 Thorite, uranothorites, and coffinite, Vogt, T., Bastiausen,O , and synthetic, X-ray studies of Skancke,P Holmquistite as a (Fuchs, Gebert) 243 rhornbicamohibole..,. 981 'l'horutite (sn'rirnovite) (Gotnran, Vtelensky,J...... 792 Khapaev). . 1007 Vuorelainen, Y., with Kouvo, O. 'l'ikhonenkov, I. P. 792 Eskolaite, a new chromiurn Tilley, C. E. Leucite ncphcline mineral.... 1098 dolerite of Meiches, Vogels- berg,Hessen... /Jd Wairakite, occurrenceat 1'he Gey- 1'olnay, V.. r222 sers,California (Steiler). . 781 'Wairakite Tunell, G., and Nlurdoch, J. Lab- and calcium-mordenite, oratory Manual of Crystal- hydrothermal synthesis in lography for Studerrts of NIin- (Ames, Sand). +76 eralogy and Geology (Book Walenta, K., with Gross, E. B., Review). 618 Corey, A. S., and Mitchell, Twinning in diamond-type struc- R. S. Heinrichite and meta- tures: A proposed boundary- heinrichite, hydratetl barium structure model (Kohn) 263 uranyl arsenateminerals 1134 Walpurgite, unnamed phosphate tlfcrtite(Soboleva,Pudovkina). 378 analogueof (Soboleva,Pudov- Ulexite. nonlibrous.from the Kra- kina) 383 rner district, California (Allen) 169 Wasserstein, Benno, memorial of Uraniun rnineralsfrom U.S.S.R. (Fleischer). .. 331 (Soboleva,Pudovkirra) (Gets- Weatheredsedirnentary ironstones, eva,Savel'eva)... 378 nrirreralogical changes irr Uranothorites, thorite and comnite, (Youell) 77+ 'Weaver, synthetic, X-ray studies of C. E, Effects of geologic (Fuchs, Gebert) 243 significance of potassium "fix- Usigite (usihyte) (Melkov, Puk- ationtt by expandable clay hal'skii).. . 1008 minerals derived from mus- covite, biotite, chlorite and Yalcha,Z. .. 792 volcanicmaterial. 839 Van Hook, H. J,, and Keith, M. L. Weber,R. H.. 623 The SystemFe3Oa-Mn3Oa 69 with Sun, M. S. Santa- Van Valkenburg, A., with Bunting, feite, a new hydrated vanadate E. N. Some propertiesof dia- from New Mexico... . 677 mond. , 102 lYelded tuff from deep-well cores and Rynders, G. F. Syn- from Clinch County, Georgia thetic cuspidine. 1195 (Ross).... 537 1240 INDEX TO VOLUML:, 13

Westland, A. D., and Beamish, X-ray Crystal Structure (Mclach- F, E. Chemical analysis of lan) (Book Review).. 620 iridosmines and other olati- num-metal minerals 503 Yagi, K. 624 White, J. F., Shaw,E. R., and Cor- Youell,R F Mineralogicalchanges win, J. F. A chalcedony-like in weathercdsedimcrrlary irorr- variety of germania, GeOr 580 stores.. 774 Whittaker, E. W., and Zussman, J. Young, E. J. Occurrenceof gor- Charucteization of ser- J. ceixite in Arkansas 762 pentine minerals 917 Yttriunr-bearing pegmatite body Wickman,F. E.. . . 387 'Wilshire, nezrrLake George,Park Coun- H. G. Alteration of olivine ty, Colorado (Glass, Rose, and orthopyroxene in basic lavas and shallow intrusions t20 Over)..... 991 \Vinchell, FI. The compositionand physicalproperties of garnet 5v.) Zak. L. 385 Optics of the eosphorite- Zalai,A. 626 childreniteseries 765 Zalashkova,N. E. 1223 Winkler, H. G. F. Struktur und Zussman, J., with Whittaker, Eigenschaften der Kristalle E. J. W. Characterizationof (Book Review). . , 177 serpentineminerals... .. 917