TOARNAL MINERALOGICAL SOCIETY OF AMERICA 595

I\TDEX TO VOLUME 13 Prrpalrn sv L. S. Rnusorn Leading articles are in bold face type; notes,abstracts and crossreferences are in ordinary type. Only mineralsdescribed in more or lessdetail are indexed. Titles of abstracted articles are not repeatedwhen crossindexed under authors'names.

Acquisitions of the British mu- Autunite (Megathlin). 578 seum(Spencer).... 239 Autunites, base exchange in Adam, H. R. 201 (Schaller) 111 Ajkaite (Zechmeister,Yrab6ly) 72 Allen, V, T. Anauxite lrom Ione Base exchange in artificial autun- formation, Calif. 145 ites (Schaller). 111 Alumohydrocalcite(Bilibine) .. 569 Bauer, L. H. and Berman, H, Aminoff,G. and Parsons,A. L. 110 Frieilelite, Schallerite and re- Amphibole asbestos,nature and lated minerals . 113, 341 originol(Peacock)... ll3,24l -- seeLarsen,E.S...... 349 Analcite, crystal structure of - seePalache,C...... 142,334 (Gruner).. ll2,174 Bauxite,studyof(Rao) ... .. 69,240 Analcite from Brewster Co.. Tex. Bentivoglio, M. Rate of growth of (Lonsdale) 109,M9 crystals[Review] .. .. 31 Analcite, sedimentary,from Ariz. Berman, H. SeeBauer, L. H. ll3,34l (Ross)... .. 111,195 - Seelarsen, E. S. 349 Anauxite {rom lone forrnation, - SeePalache,C...... 142,334 Calif.(Allen)..... 145 Beryllonite and other phosphates Anauxite, mineral species {rom from Newry, Me. (Palache, Czechoslovakia (Ross, Foshag) 153 Shannon) 392 Anhydrite. 476 Bilibine,G...... 569 Ansheless,J. M.. . . 491 Billings, M. P. Chemistry, optics, Antamokite. 491 and genesis of hastingsite Anten, J.. 593 groupofamphiboles...... 287 Anthraxolite from northwest Can- Biotite bearing greenstones ada(Rutherford)..... JIO (Ghosh).... 70 Appendix to catalogue of meteor- Black Hills mineral region ites, British museum (Prior) (Schwartz). 56 IReview] 122 Black sands, diamonil-bearing Arakawite (Ito) 493 Irom Portuguese West Alrica Arsenolamprite (Jung) . 34 (Poindexter). .... lll,236 Ashton, F. W. and Taylor, W. C. Blythite (Fermor) 33 Precision method for measur- Boehmite(delapparent) ...... 72 ing temperature o{ refractive Boldereff,A...... 493 index liquids. .. . . 4ll Boleite,crystalform(Gossner) 580 Atomic volume relations in iso- Boracite, chemical iormula o{ morphous series (Hallimond) (Gruner). 481 239,488 Bravo, J. J., memorial of (Garcia) 103 Auroujseau, M. anil Merwin, Brewer,F.M...... 4SO H. E. Olivine. I. From Ha- British Museum-recent mineral waiian Islands. II. Pure lor- acquisitions (Spencer) .. . . 239 sterite.. .. 559 Brown, C, W., see Gedney, E. K. 111 596 TEE AMERICA.N MINERALOGIST

Brown, L. S. OccurrenceoI leu- Cuprous sulfrde,crystal structure coxene in Permian seiliments of (Ramsdell). 115 115.233 Cyrtolite intergrowth wittr thu- Buerger, M. J. Plastic deforma- cholite(Ellsworth)...... 439 tionoforeminerals...... 1,35 Burt, F. A. Pronunciation of delapparent,J ...... 72 pyroxene. .. 199 Diamond-bearing black sanals - [Bookreview]...... 489 from Portugeuse TV. Africa (Poindexter)...... 111,236 Calcite group classification(Bili- Diatomacmusearth[Review].... 566 bine). . . 569 DiscreditedsDecies. 34 Calcium-larsenate(Palache, Bauer, Double dispersion method of Berman). 334 mineral determination (Em- Calderite(Fermor)..... 33 mons). . 504 Camsellite and szaibelyite,prob- Dumortierite, identification and able identity oI (Schaller) 230, lll occuffence(Groves)...... 24-0 Dumortierite (Univ. of Nevada Carrollite(Shannon)...... 34 Bulletin) .. 532 Casts and pseudomorphsof sol- [Review]. Duparc,L.andGypsin,M...... 158 uble mineralsin Triassicshales Dyscrasite anil the Ag-Sb con- ofNewJersey(Hawkins).....ll4 stitution diagram (Schwartz) 495 C6saro,G.. 492 Chevkinite(Bolderefi)...... 493 Eakle, A. S. Mineral names. . . . . 533 Chlorite, notes on (Winchell). . . . L6l Edelmann,F...... 592 Chlorophaeite,sideromelane end Blements of Optical Mineralogy, palagonite lrom Columbia Part I, 3rd ed. (Winchell, River plateau (Peacock, Ful- A.N.)[Bookreview]...... 532 ler).... 360 Elements of Optical Mineralogy, Chromrutile, a new mineral Part II, 2nd ed. (Winchell, (Gordon,Shannon) .. 69 N. H. and Winchell, A. N.) CIay minerals, optical and X-ray [Book review]. 156 researchon(Ross,Kerr)...... 110 Ellsworth, If. V. Euxenite from Cobaltsmithsonite.... . 569 Nipissingdistrict,Ont...... 484 Codazzi,R.L...... 492,570 - Mineral telated to samar- Codazzite(Codazzi)...... 570 skite,Hybla, Ont.. . . 63 Collingridge,H ...... 488 - Mineral related to samar- Collinsite(Poitevin)...... 201 skite,Parry Sound, Ont...... 66 Crystal classes, tabulation of - I. Thucholite, a primary (Rogers) 571 carbonmineral 419 Crystal structure and X-ray II. Cyrtolite intergrowths studies:analcite. .112,174 with thucholite 4t9 boracite. 481 - Thucholite and uraninite clayminerals...... 110 ' from Buckingham, Quebec . . M2 cuproussulfide...... 115 - seePalache,C.. 384 sperryIite...... 110 158 Crystallographictables for deter- Emmons,R. C. Double dispersron mination of minerals (Gold- nethod of mineral iletermina- schmidt,Gordon). 114,240 tion.... 504

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Etch figures,nature and origin, on Goldschmidt, V. and Gordon, crystals (Honess) [Book re- S. G. Crystallographictables viewl...... 157 for determination of minerals Euxenitelrom Ontario (Dllsworth) 4S4 [Bookreview]. . . ..1t4,240 ExperimentelleMineralogie. Gonyer,F. A., seeRoss, C. S. . . 110 (Gross)[Bookreview]...... 566 Gordon, S. G. Memorial ol GeorgeVaur,Jr,...... 97 Fairbanks, E. E. Importance oI - Rotating table for two pollucite. .. 2l circlegoniometer...... 1t4, lL7 - [Review]...... 490 - seeGoldschmidt, V.. . .114,240 Famousmineral localities: Wod- Gosseletite(Anten)... . 593 gina,Australia(Simpson).....457 Gossner,B. The crystal form of Feldspar determination, new boleite. 560 method(Gedney)...... 111 Granite pegmatites, Fitchburg, Fermor,L.L...... 32,33 Mass.,paragenesis of (Lewis) 113 Ferro-calderite(Fermor)...... 33 Gross,R. ExperimentelleMiner- Forsterite (Aurousseau,Merwin) 559 alogie[Bookreview]...... 566 Foshag,W.F.,Hess,F.L...... 160 Groves,A.W...... 240 - seeRoss,C.S...... 153 Gruner, J. W. Chemicalformula Fraiponite(C6saro).... 492 ofboracite...... 481 Franklin Furnace, mineralogical - Crystal structdre of anal- noteson(Palache)...... 113,297 cite...... 112,t74 Franklinitecrystal.. . lI2,l7I - Oscillation method ap- French Creek,Pa., Mines (George plied to structure of analcite 174 Vaux,Jr.). 25 - Oscillation method of Friedelite, schallerite and related X-raycrystalanalysis...... 123 minerals(Bauer, Berman) .113,341 Grutterink, J. A.. . . 202 Fuller, R. E., seePeacock, M. A. 360 Gudmundite(Johansson)...... , 592 Gypsin,M., seeDuparc,L...... 158 Gallium. I. Arc spectrographic Gypsum and anhydrite (Wilder) 476 detectionandestimation.... 490 II. Extraction from lepi- Haematophanite(Johansson). . 593 dolite (Papish,Holt) [Review] 490 Halite and glauberite cavities Garcia, L. Memorial of J. J. fromN.J.(Hawkins)...... 238 Bravo. . 103 Hallimond. A. F. Formula of Gedney,E. K.. . 111 glauconite...... 589 - andBrown, C. W...... 111 - Studiesin the mica group 451 Geijer,P.. 34 239,488 Genevite(Duparc,Gypsin).... 158 Harbort,E...... 592 Germanium: Arc spectrographic Harwood,H. F.. . . 240 detection and estimation. Oc- Hastingsite group of amphiboles, currence in tin minerals and chemistry, optics, anil genesis enargite (Papish, Brewer, oI (Billings) 287 Holt) [Review]. 490 Hawkins. A. C. Halite and Ghosh,P.K...... 70 glauberite cavities from N. J. 238 Gillson,J. L..... Ll4 ll4 Glauconite, formula of (Halli- Henderson,E. P.. . . lt4 mond).. 589 Hess,F. L., seeFoshag, W. F.. . . . 160 598 TH E AMERICAN MI N ERALOGIST

Holmes,A...... 240 Larsenite, calcium-larsenite and Holt,D.A...... 490 associated minerals at Frank- Honess,A. P. Nature, origin, and lin, N. J. (Palache, Bauer, interpretation of etch figures Berman).. 334 Larsenite and calcium-larsenite, on crystals[Book review] 157 members ol chrysolite group Humite group, optical properties (Palache,Bauer,Berman) 142 oI(Larsen) ..... 112,354 Lausen, C. Ilydrous sulphates Hunt, W. F. reviews] [Book Iormed under lumerolic con- r22, t56,240,532, 566 ditions.. .. 203 (Simpson). Hydrothorite 570 Leucoxene. occurrence in Per- Hydrous sulphateslormed under miansediments(Brown). . . 233 Iumerolic conditions (Lausen) 203 Lewis,L. W.... 113 Lonsdale, J. T. Analcite from Interfacial angles, calculation of Texas... .109,449 (Lewis). 113 Lohestite(Anten) ...... 593 fsomorphousrelations oI MgSiOs anrlAlAloe(Winchell) . . . .. 52,109 MacCarthy, G. R. Tourmaline- Ito, T.. 493 bearingquartzfromVa. .. .. 531 Magnesioblythite(Fermor) .. 33 Magnetite and franklinite crystals Jakob,J.. 202 from Franklin Furnace (Van Jirkovsky,R...... , 492 Horn) .,..ll2,l7l .. .. 592 Johansson,K.... Megathlin, G. R. Spodumene and .. 34 Jung,H.. autunite lrom N. Hampshire 578 Mellahite(Nicolli) .. 201 Keeleyite,status of (Wherry) . . . 29 Merwin, H. E., see Aurousseau, Kernite and associated borates M, 559 (Schaller) .. .. 111 Metamilarite (Rinne) 33 Kerr,P. F., seeRoss, C. S.. . . 110 Metamorphic stages in Pend Kerr-Lawson,D. E. . . 110 Oreille district, Idaho (Gill- Kolbeckite(Edelmann). .. 592 son). .. ll4 Kraus, E. II. Memorial of P. H. Metarossite (Foshag, Hess) , . 160 vonGroth.. 93 Meteorite, Washington Co., Col. - [Book review]. 157 (Palache,Shannon). .. 406 Kutnohorrite 569 Mica group, a discussion (HaIIi- mond). . .. 451 Labradorite, optical orientation Microchemical determination of of (Smith) 158 orerninerals(Short)..... 115 Landes, K. K. Sequence of Miargyrite and tetrahedrite, mineralization in Keystone, Idaho(Shannon)...... 18 -S. Dak.,pegmatites . 109,519, 5J7 Mineral names (Eakle) . 533 Larsen,E. S. Opticalpropertiesof Mineralogical notes on Franklin theHurnitegsoup .. ..112,354 and Sterling Hill, N. J. Bauer, L. H. and Berman, (Palache). . . 297 H. Norbergite from Franklin, Mineralogical Society of America: 349 - 8tha iltalmeeting...... 105 494 - oftcersfor1928...... ,. 105 TOURNAL MINERALOGICAL SOCIETV OF AMERICA 599

-formerofficers ...... 116 Oscillation method of X-ray crys- - nominationsfor 1929.. . 489 talanalysis (Gruner). 123 Mineralogical Society (England) 69,158,239,488Palache, C. Mineralogical notes Minerals of Lockport, New York on Franklin and Sterling Hill, (Monahan). 70 N.J...... 113,297 Minerals related to samarskite -- Phosphorescence and flu- (Ellsworth)...... 63,66 orescence oI Franklin minerals 330 Monahan, J. W. Minerals of the - Seligmannite lrom Bing- Lockport in N. Y. . . . 70 ham,Utah n2 Monheimite 569 -[Review]...... 565 Muntenite(Spencer).. 201 113 Muscovite, composition of (Win- - Bauer, L. H. and Berman, chell).. . 567 H. Larsenite. calcium-larsen- ite, new members of chrysolite Natural history oI silica minerals group... . . 142 (Rogers) ..... 73 Larsenite, calcium- NewarkMineralogicalSociety... 456 larsenite and associated min- Newberyite and other phosphates erals at Franklin, N. J.. . . 334 (Richards) 397 - and Ellsworth, H.V. Zfu- New minerals,additional data 202,493 con from North Burgess, Ont. 384 New mineralnames . . -- and Shannon, E. V. Beryl- 32, 72, t58, 20t, 491,569 lonite and other phosphates New mineral names,list oI (Spen- fromNewry,Me...... 392 cer).... 488 -New meteorite {rom New minerals, redefinition of WashingtonCo.,Col...... 406 species. .33,494 Palagonite(Peacock,Fuller)..... 360 New York Mineralogical Club Palladium mineral, new (Adam) 2OI llg,120,200,452 Papish, 490 Niccoli,E...... 201 J. Parsons.A. L.. seeAminoff, G. . . .' 110 Nickel silicates,formation by base Peacock, M. A. Nature and origin exchange (Ross, Shannon, oI amphibole asbestos of south Gonyer).. . 110 Africa ...... 113,241 Nontronite(Larsen,Steiger).... 494 - seePalache, c. . 113 Norbergite from Franklin, N. J. - and Fuller, R. E. Chloro- (Larsen,Bauer,Berrnan).....349 phaeiie, sideromelane and Notes on iron and zinc industry in palagonite {rom Columbia SussexCo., N. J. (Shuster) river plateau...... 360 [Review] 565 Pegau, A. A. Rutherlord Mines, Oligonite..... 569 Amelia Co., Va. 583 Olivine. I. From Hawaiian Is- Petrographische Untersuchung lands. II. Pure forsterite iiber die Eignung von Graniten (Aurousseau,Merwin).... 559 als Strassenbaumaterial (ZeI- Optic and Microscopic Character ter)[Bookreview].... l2l of Artificial Minerals (Winchell) Petrushkevich, O. A.. . . 493 [Bookreview]..... 156 Philadelphia Mineralogical So- Optic axial angle determination ciety. . . in thin sections(Collingridge) 488 32,69, r!8, r57,200,454,565, 591 600 TE E AM ERICAN MIN ERAINGIST

Phosphoferrite(Steinmetz)..... 33 Richarz,S...... 115 Phosphophyllite(Steinmetz).....34 Rinne,F.. 33 Phosphorescence and fluores- Roepperite. 569 cence ol Franklin minerals Rogers, A. F. Natural history oI (Palache) 330 silicarninerals. 73 Pistomesite. . . 569 - Tabulation of the crystal Place names of mineral Iocalities classes.... 571 in central Europe (Slavik, Rolle Kolloider Vorgii.ngebei der Spencer) .. 488 Erz- und Mineralbildung, ins- Plastic deformation of ore min- besondereauf den LagerstAt- erals(Buerger) ..... 1,35 ten der Hydrosilikatischen Pleochroichaloes in biotite (Kerr- Nickelerze(Schornstein) [Book Lawson) .. 110 reviewl. 122 Poinilexter, O. F. Diamond- Ross, C. S. Sedimentaryanalcite bearing black sands from 111,195 PortugueseW.Aftica . . . . .111,236 - and Foshag,W. F. Anaux- Poitevin,E,... .. 201 itefromCzechoslovakia...... 153 Pollucite, importance oI (Fair- -andKerr,P.F...... 110 banks)...... 21 -- shannon, E. V. and Gon- Potarite, a new mineral (Spencer) yer,F. A.. . . 110 158.201.494 Rossite(Foshag,Hess)...... 160 Potash minerals, Texas, N. Mex. Rotating table for use with two (Schaller)...... 111 circle goniometer(Gordon) ll4, ll? Prior, G. T. Appendix to cata- Rutherford, R. L. Anthraxolite Iogue of meteorites [Book fromnorthwestCanada...... 516 reviewl. 122 Rutherlord mines,Amelia Co.,Va. Prolectite(Geijer)...... 34 (Pegau). 583 Pycnometer, constant volume, Rutile, ilmenite and leucoxene for specificgravity determina- in mid-continental sediments tions(Ellsworth)...... 158 (Brown) 115 Pyroxene,pronunciation of (Burt) 199 Schadler, 159 crystals, doubly termin- J.. Quartz (Tokody).. 493 ated, from N. Mex. (Tarr) . . ll2 Schafarzikite Schaller,W. T. Probableidentity with szaibelyite Ramsdell,L.S...... 115 of camseUite Rao,T.V.M...... 69,246 trr,230 111 Rare mineral occurtencein R. I. (Gedney,Brown). .. 111 Schallerite (Bauer, Berman) . . . ll3, 341 Rate of growth of crystals in Scharizerite(Schadler)...... 159 different directions (Benti- Schornstein, W. Die Rolle Kol- voglio)[Reviewl...... 31 loider VorgEnge bei der Erz- Relractive inilex liquids, method und Mineralbildung, insbeson- Ior measuring temperature of dere auf den Lagerstiitten der (Ashton,Taylor) 4ll Hydrosilikatischen Nickelerze Richarils, G. Newberyite and [Book review]. 122 other phosphateslrom Ascen- Sctwartz, G. M. Black Ilills min- sionlsland. 397 eralrefion...... 56

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- Dyscrasite and the Ag-Sb Stilbite from Keweenawanlavas constitutiondiagram . 4gs of northernWis. (Richarz).. . 115 Scrivenor,J. B. and Shenton,J. C. 159 Symmetry classes, arrangement Seligmannitefrom Binghan, Utah of(Wherry). .. 198 (Palache). . . 402 Szaibelyite,identity of camsellite Senstius,M. W. . . .121, 122 with (Schaller) .. 111,230 Sequenceof mineralizationin peg- matites(Landes).. . . 109,519, 537 Tanatarite(Petrushkevich). . . 493 Shannon, E. V. Miargyrite and Tarr, W. A. lt2 tetrahedrite, Idaho . 18 Taylor, W. C., seeAshton, F. W. 4ll -l:*Y:::i:::::li:l:469 Telegdite (Zechmeister,Vrab6ly) 72 34 Tetrahedrite (Shannon).. I6 - seePalache, C...... 492,406 Thorotungstite (Scrivenor, Shen- - seeRoss, C, S...... 110 ton). . . . 159 Shannonite(Tilley). 160 Thucholite, carbon mineral from Shenton,J. C., seeScrivenor, J. B. 159 Parry Sound, Ont. (Ellsworth) 4t9 Short,M.N...... 115 Thucholite from Quebec (Ells- Shuster,E. D. Iron and zinc in- worth).. M2 dustry in SussexCo., N. J. Tilley,C.E...... 160 [Review] 565 Tikhvinite (Ansheless,Vlodavetz) 491 Sidbromelane(Peacock, Fuller). . 360 Tinzenite (Jakob) 202 Silica, properties of (Sosman) Tokody,L.. .. 493 [Bookreview]...... 489 Tom-keieff,S. [... 488 Silica minerals, natural history of Tourmaline-bearingquartz from (Rogers) 73 Amelia, Va. (MacCarthy) . . . (21 Simpson,E. S. Wodgina, Austra- Triplite, chemical composition lia, famous mineral localitv. . 457 and optical properties (Hen- 570 derson).. ll4 Skiagite (Fermor) 33 Truscottite(Grutterink) 202 SIavik,F...... 488 Slavikite (Jirkovsky, Ulrich) 492 Ulrich, F. 492 smith,w. c.. .. 158 Uraninite, Quebec (Ellsworth) 442 Sosman,R. B. The propertiesof Uvarovite from California (Hen- silica [Book review] . 489 derson)... . :. ll4 Specific gravities of minerals (Spencer).... 69 Van Horn, F. R. Large magnetite Spencer,J. L. Potarite, a new and franklinite crystals. . . .1I2, l7l mineral 158,201 Vaux, George Jr. Mines at Falls - Recent mineral acquisi- oI French Creek, Penna.. . . . 25 tionsof Britishmuseum... .. 239 - memorial of. (Gordon) 97 . .69,201,488,494 Viterbite. (Codazzi) 492 Sperrylite, crystal structure of Vlodavetz,N. J.. . . 491 (Aminofi,Parsons) ._ 110 Von Groth, P. H., memorial of. Spodumeneand autunite from N. (Kraus). . . 93 Hamp. (Megatblin)...... 578 Vrab6ly,V...... 72 Steiger,G..... 494 Steinmetz,H...... 33,34 Wherry, E. T. Arrangement of Sterling HiII, mineralogicalnotes. 297 symmetryclasses.. .. 198 fi2 TH E AM ERICAN MINERAINGIST

- Status of Keeleyite...... 29 - Notes on chlorite. 161 -[Qeview] .... 31 -- Clptic and Microscopic Whin Sill and related dikes of Characters of Artificial Miner- north England (Holmes, Har- als [Book review]. r56 wood)...... 2n Winchell, N. H. and A. N' Ele- Whin Siil, petrology of. (Tom- ments of Optical MineralogY. keieff).. .. 488 PartII,2nd. ed. [Book review] 156 Wilder, F. A. Gypsumand anhy- Wodgina, famous mineral localitY 4s7 ilrite. . . 476 Willemite, south African occur- Xanthoconite anil associated min- rence,and fluorescencein ultra erals from ldaho (Shannon).. ' 469 violetrays (Spencer)..... 69 Winchell, A. N. Compositionof Zechmeister,L...... 72 muscovite. 567 Zelter, 1f{. PetrograPhische Un- - Elements of optical Min- tersuchung fber die Eignung eralogy.Part I,3rd. ed.[Book von Graniten als Strassen- reviewl... 532 baumaterial [Book review] . . . - Isomorphous relations of Zircon fuom North Burgess, Ont. MgSiOa and ALAIOain sili- (Palache, Ellsworth)... . 384 cates.. . 52,L09 Zirklerite (Harbort) s92

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