INDEX TO VOLUNIE 43

Leading articles are in bold face type; notes, abstracts and reviews are iu or-

dinary type. Only minerals for which delrnite data are given are indexed.

sidis) . . t t07

Andreev, Y. K.. . 797Ankerite and dolon'rite, r-ray data

for (Howie, Broadhurst) . I2I0Anthoinite (Niggli, Jager) 384Arduinite (:mordenite) (Davis) 1224Argon and helium, excess, in beryl

and other minerals (Damon,K u l p ) . . . . . , 4 3 3

Arsenolamprite ( :arsenic farsen-olite) (Padera, Fischer) . 1225

Ashby, G. E., and Kellagher, R. C.Apparatus for the study ofthermoluminescence fromminerals 695

Atchley, F. W. Low-magnifrcationthin-section photography .. 997

Atoms and ions in miuerals, chartshowing the sphere of influenceof (Remick) 166

Autenrieth, H.. . 1221Axelrod, J. M., with Milton, C.'

Carron, M. K., and MacNeil,tr'. S. Gorceixite from DaleC o u n t y , A l a b a m a . . . . 6 8 8

with Milton, C., and In-gram, B. Bismutoferrite, chap-manite and "hypochloritett. . . 656

unnamed (Baron, Deby-

Absorption for rod-shaped singlecrystals, correction for (Buer-ger, Niizeki) 726

Adsorption and retention of an or-ganic material by montmoril-lonite in the presence of water(Brindley, Rustom). 627

Ajoite, a new hydrous aluminumcopper silicate (Schaller, Vli-

Alkali amphiboles, classilication of(Miyashiro, Iwasaki) (An-

dreev) 797Alkali feldspars: IV. The cooling

hiStory of high-temperaturesodium-rich feldspars (Smith,

MacKenzie). 872Al ler-r , R. D. , and Almond, H. ,

Nonfibrous ulexite from theKratner District, California 169

Almond, H., with Smith, G. L., andSawyer, D. L. Sassolite fromthe Kramer borate district,California 1068

with Aller-r. R. D. Non-llbrous ulexite from theKrarner District, California 169

Alttn'rian (:natroalunite) (Moss) 1225Aluutinum boride monocrystals,

microhardness of (Cotter) 781Alurnochalcosiderite (:alumini-

an chalcosiderite) (Fischer) . 122+Anrbrarnovich, Y. M. 1222Ames, L. L., and Sand, L. B. Fac-

tors effecting maximum hydro-thermal stability in montmoril-lonites 641

-- Hydrothermal synthesis inwairakite and calcium-mor-denite . '. 47 6

Amphibole paragenesis in the Bid-well Bar region, California,significance of (Compton). .

Anstutz, G. C. (Book Review).

( IJ-MnS),

ser) . 795Barbier i te ( :n icrocl ine) (Schnei-

der, Laves) 1008

Baron, G 795

Barton, P. B., Jr, Synthesis andproperties of carnotite and its

alkali analogues, 799

Bassett, W. A. Copper vermiculitesfrom northern Rhodesia . . . 1112

Bast iansen, O., wi th Vogt, T. , and

Skancke, P. Holmquistite as a

rhombic amphibole 981

Batchelorite (:rnuscovite) (Both-

wel l , Moss). 1008

Bates, T. F. Selected electron

rnicrographs of clays and other

fine-grained minerals (Book

R e v i e w ) . . . . . l 2 l 8Andradite-spessartite garnet from

Pajsberg, Sweden (Lee). . .

890788794

208

1226

Bayerite (natural) :gibbsite (Sas-vari, Zalai)

Beamish, tr'. E., with Westland,A. D. Chemical analysis ofiridosmines and other plati-num-metal minerals

Bell i te (Strunz). .Beryl and other minerals, excess

helium and argon in (Damon,Kulp) .

Beryllium content of roscheritefrom the Sapucaia pegmatitemine, Minas Gerais, Brazil(Lindberg)..

Bikitaite addit ional data on (Hurl-b u t ) . . .

Biotite, chlorine-rich, from LemhiCounty, Idaho (Lee)

Bismutoferrite, chapmanite and"hypochloritett (Milton, Axel-

Bisrnutomicrolite (Zalashkova,

Kukharchik)Blade, L. V.

wi th Rose, H. J. , Jr . , andRoss, M. Earthy monazi te atMagnet Cove, Arkansas . . .

Bl ix , R.Bonattite (Garavelli)

Bonchevite (Kostov).

Bose, M. K. Goethite-hematite re-l a t i o n . . . . .

Bo thwe l l , D . L .B ra r r che , G . . . .Braune, G.. . .Breger, I. A. (Book Review) . .Breislakite (:vonsenite) (Fedcri-

c o , l . . . .Brindley, G. W., and Rustom, M.

Adsorption and retention of anorganic material by montmor-illonite in the presence ofwater.

Broadhurst , F. M., wi th Howie,R. A. X-ra1, data for dolomitea n d a n k e r i t e . . . .

Bruyer i te (Tacnet. l

Buckle, E. R., and Taylor, H. F. W.Calcium analogue of chon-drodite . . .

INDEX TO VOLUME 43 1227

Buerger, M. J., and Kennedy,G. C. Ir.nproved specimenholder for the focusing-type *-ray spectrometer. 756

and Niizeki, N. Correctionfor adsorption for rod-shapedsingle crystals. 726

Bunting, E. N., and Van Valken-burg, A. Some properties ofdiamond 102

Burst, J. F. Mineral heterogeneityin "glauconite" pellets 481

Bur'1'anova. E. 2.. . . 623Butkovich, T. R. Hardness of single

ice crystals 48

Cadmoselite (Bur'yanova, I{ova-l e v . K o r n k o v ) . . . . . . 6 2 3

C a i l l d r e , S . . . . 1 2 2 3Calcite, melting of in the presence

of water and carbou dioxide(Paterson). 603

Calcium-mordenite and wairakite.hydrothermal synthesis in(Ames, Sand). 476

Carnotite, synthesis and propertiesand its alkali analogues (Bar-ton)

Carr, R, M., and Fyfe, W. S. Someobservations on the crystalli-zation of amorphous silica 908

Carron, M. K., with Glass, J. J.,Evans, H. T., Jr., and Hilde-brand, F. A. Cerite fromMountain Pass, San Bernardi-no County, California 460

with Milton, C., MacNeil,F. S., and Axelrod, J. M. Gor-ceixite from Dale County,Alabama. 688

Mrose, M. E., and Murata,K. J. Relation of ionic radius tostructures of rare-earth phos-phates, arsenates and vana-d a t e s . . . . 9 8 5

C6l6bonovic, S. The Living Rocks( B o o k R e v i e w ) . . . 1 7 7

Cerite from Mountain Pass, SanBernardino County, Calif ornia(Glass, Evans, Carron, Hilde-

626

503798

+33

82+

768

r07

r o d , I n g r a m ) . . . . . 6 2 6 , 6 5 6

t2231006

995387180

l 2 2 l

9891008180

t 2 2 l788

626

799

627

t 2 r 0624

E18

1228 INDEX TO VOLUME 43

b rand ) . . . . .C h a l m e r s , R . A . . . . . . .C h a n t r e t , F . . . . . . . .Chao, E. C. T. , wi th Mi l ton, C.

Eskolaite in "nerumite" frornBr i t ish Cuiana

Chapmanite, bismutoferrite, and('hypochlorite" (Milton, Axel-

rod, Ingram).

t203

656Chaprnanite, bismutoferrite, h)'po-

chlorite (Milton, Axelrod, In-gram) . . 626

Chayes, F. Memorial of SamuelJames Shand. 317

Chemical Engineering in the CoalIndustry (F. W. Sharpley, Ed.)(Book Review). 788

Chernikov, A. A. 383Chondrodite, calcium analogue of

(Buckle, Taylor) .. 818Chlorine in serpentinized dunite

@ a r l e y ) . . . . 1 4 8Chlorite, chromium, skuctural and

chemical variation in (Lap-ham). . 921

Chlorite, white, from Cobargo,N.S.W. (Loughnan, See). .. . . 671

Chlorites, synthesis of, and theirstructural and chemical con-st i tut ion (Nelson, Roy).. . . . . 707

Christ, C. L., with Ross, M. Min-eralogical applications of elec-t rond i f f rac t ion . . . . 1157

Chrome mica-clay, Temple Moun-tain, Utah (Kerr, Hamilton). . 34

Chromian muscovite from BakerMountain, Virginia (Dietr ich) 162

C i p r i a n i , C . . . . 3 7 8Clay-carbonate-soluble salt inter-

iction during differential tler-ma l ana lys is (Mar t in ) . . . . . . . 649

Coeruleolacti te (:Ca analogue oftu rquo is ) (F ischer ) . . . . . 1224

Coffinite, thorite and uranotlorites,synthetic, x-ray studies of(Fuchs, Gebert). 243

Cohen, A, J., and Rice, R. V, Newmethod for orienting electronmicroscope rep l i cas . . . . . 25

- and Sumner, G. G. Rela-

tionships among impurity con-tents, color centers and latticeconstants in quartz. 58

Con ibe i te (Sahama, Hy tdnen) . . . . 791Compton, R, R. Significance of

amphibole paragenesis in theBidwell Bar region, California 890

Comuccite (:jamesonite) (Gara-ve l l i ) . . 1225

Concise International Dictionaryof Mechanics and Geology( B o o k R e v i e w ) . . . . . . . . 1 0 0 4

Constitution of Binary Alloys.(Hansen) (Book Review). . . 1217

Copper vermiculites from northernRhodesia (Bassett). .. 1112

Corey, A. S., with Gross, E. B.,Mitchell, R. S., and Walenta,K. Heinrichite and metahein-richite, hydrated barium ura-nyl arsenate minerals ... . . 1134

Corwin, J. F., with White, J, F.,and Shaw, E. R. A chalcedony-like variety of germania, GeO2 580

Cotter, P. G. Microhardness ofaluminum boride monocrystals 781

Crandallite (pseudowavellite) frorrGardner Mine Ridge, Law-rence County, Indiana (Green-berg, Elberty).. 983

Cuspidine, synthetic (Van Valken-b u r g , R y n d e r s ) . . . . . . . 1 1 9 . 5

Dahhlite pseudomorphs af ter pyriteconcretions (Mitchell, Sher-w o o d ) . . . . . . . 6 0 0

Damon, P. E., and Kulp, J. L. Ex-cess helium and argon in beryland otler minerals. . . 433

D'Ansite (Autenrieth, Braune) . . . l22lD a v i s , R . J . . . . . . . . . . 1 2 2 4Day, G., with Sabine, P. A,, and

Rowe, R. H. Device for pre-cisely controlling an iris dia-phragm. 784

D e b y s e r , J . . . . . . 7 9 5De Las Casas, F. 794Denning, R. M. (Book Reviervs) 618,622Diamond, some properties of

(Bunting, Van Valkenburg). . . 102

460624180

INDEX TO

Dietrich, R. V. Chromian muscovitefrom Baker Mountain, Vir-g in ia . . 162

Differential Thermal Investigationof Clays (Mackenzie, Ed.)( B o o k R e v i e w ) . . . . 6 1 7

Digenite, CueS5, crystal and twinstructure of (Donnay, Donnay,Kullerud) 228

Discredited minerals. . . 626, 1008, 1224Dolomite and ankerite, x-ray data

for (Howie, Broadhurst) . . . . 1210Dolomonova, E. I . . . . 386D o n n a y , G . ( B o o k R e v i e w ) . . . . . 3 7 6

Donnay, J. D. H., andKullerud, G. Crystal and twinstnicture of digenite, CusSs. . 228

Donnay, J.D.H. (Book Review) 376with Donnay, G., and Kul-

lerud, G. Crystal and twinstructure of digenite CugSo 228

Douglass, R. M. Crystal structure

Earley, J. W. On chlorine in ser-pentinized dunite. . .

Einfiihrung in die Kristallographie(Kleber) (Book Review) . .

E i t e l , W . . . . .Elberty, W. T., with Greenberg,

S. S. Crandallite (pseudowavel-lite) from Gardner MineRidge, Lawrence County, In-d i a n a . .

Electron diffraction, mineralogicalapplications of (Ross, Christ)

Electron microscope replicas, newmethod for orienting (Rice,C o h e n ) . . . . . . .

Ernerson, D. O. Stage for macropo in t count ing

English, G. L., and Jensen, D. E.Getting Acquainted with Min-erals. 2d ed. (Book Review)

Eosphorite-childrenite series, op-t i c s o f ( W i r r c h e l l ) . . . . .

Erdelyi, .J. . .Eskolaite, a new chromium mineral

(Kouvo, Vuorelainen).

VOLUME 43

Eskolaite in "merumite" fromBritish Guiana (Milton, Chao)

Evans, H. T., Jr. .(Book Review).with Glass, J. J., Carron'

M. K., and Hildebrand' F. A.Cerite from Mountain Pass'San Bernardino CountY, Cali-f o r n i a . . .

t229

t2033E5, / 5 r

460

ofsanborn i te ,BaSizOs. . . . . . . 517 andt le i rp rob lems " 181

Duff in, W. J.. . . . 384 Addendum to the pegma-t i t e p h o s p h a t e s . . . . . . 6 0 9

Note on l i thioPhosPhate... 761148 Ref rac tometerper i l s . . . . . . 777

and Runner' J. J. Mor-788 inite from the Black Hills. . . . 585626 Fleischer, M. Memorial of Benno

W a s s e r s t e i n . . . . . . . . 3 3 1New mineral names . ..

. . . . . 180, 378, 623, 790, 1006, 1219- (Book Review). . . 616Flokite (:mordenite) (Davis) . . 1224Foshagite : composition' unit cell and

dehydration (Gard' Taylor) 1Foster, L. M., Long, G., and

Stumpf, H, S. Production ofgraphite single crYstals bYthermal decomposition of alu-minum carb ide . . . . . 28 .5

Francevillite (Branche, RoPert,Chantret, Morignat, Pouget). '180

1 2 1 7 F r e n z e l , G . . . . . . 1 2 1 9Frolovite (Petrova) 38.5

793

983

rr57

25

1000

/05

r222

1098

Fahey, J. J . . 625

Faick, J. N. , and Hi ldebrand, F. A.

An occurrence of molybdenian

s to l z . i t e i n A r i zona . . . . . 15 ( r

Faust , G. T. (Book Reviews) ' . . . .

. 178 ,616 ,617

F e d e r i c o , M . . . . . 6 2 6

Ferroelectricity in Crystals (Me-

g a w ) ( B o o k R e v i e w ) . . . . 7 8 7

Fe ru t i t e (Ge tseva ,Save l ' eva ) . . . . 382

F i s c h e r , E . . . 1 2 2 1

Fisher, D. J. Pegmatite PhosPhates

Frondel, CFuchs, L. H. Formation and ProP-

erties of synthetic thorite crys-

t a l s . . . . 3 6 7

, and Gebert, E. X-raystudies of synthetic coffinite,thorite and uranothorites 243

Fyfe, W. S., with Carr, R. M. Someobservations on the crystal-lization of amorohous silica 908

1230

Gabrie lson, O.Garavel l i , C. L.

INDEX TO VOLAME 43

I 80,387

1225624

I

59.5

243792

1006

1219

Over, E. Yttriurn-bearirlg peg-

matite body near Lake George,Park County, Colorado

"Glauconitett pellets, mineral het-

erogeneity in (Burst). .

Goethite-hernatite relation (Bose)

Goldsmith, J. R., and Graf, D. L.

Relation between lattice con-

stants and composition of the

Ca-Mg carbonates . .

Goniometer head, double arc, for

crystal orientation sawing and

g r i r r d i r r g (C ia rd i r r i )

Cood rn r r r r , N . I l

Goodyear, J.Gorceixite from Dale County, Ala-

bama (Milton, Axelrod, Car-

ron, MacNeil)

Gorceixite, occurrence in Arkansas(Yo t r r r g ) . .

Go t r r r an , Y . D . .

Gdtzenite (Sahama, Hytiinen) .

Gradwell, I{. A simple fusion rneth-

od for determination of plagi-

oclase feldspar frotn thin sec-

Curd , J . A .and Taylor, H. F. W.

Foshagite: composition, unitcell and dehydration

Garnet, con'rposition and physicalpropert ies of (Winchell) . .

Gebert, E., with Fuchs, L. H. X-raystudies of synthetic coffinite,thorite and uranothorites

Geffroy, J.Ge ier , B . H. .Gelbertrandite, spherobertrandite

(Semenov). . . .Gerasinovskite (niobobelyankin-

i te) , mangano-belyankin i te(Sernenov) . . 1220

Germania, GeOz, a chalcedony-likevariety (W'hite, Shaw, Corwin) 580

Getseva, R. V. 378

Gett ing Acquainted wi th Minerals.2d ed. (Engl ish, Jensen) (Book

R e v i e w ) . . . . . 1 2 1 7Giannini , W. F. , wi th Mitchel l ,

R . S \ a t r o j a rus i l e f r on r nea r

the Montana-Wyonr ing l ine. . 1205

G ia rd i n i , A . A . Do r rb l e a r c go r t i -

ometer head for crystal orien-tatior.r, sa'lving arrd grinding 370

Piezobirefringence in sili-

c o n . . . . . . 2 4 9

Study of the directionalhardness in siliuon 957

Gillespite, leached, a sheet silicate,structure of (Pabst). 970

G i r r l ekh i t e (Kha l i f a -Zade ) . . . 1223

Glass, J. J., Evans, H. T., Jr.,Carron, M. K., and Hilde-

brand, F. A. Cerite fromMountain Pass, San Ber-

nardino County, Catifornia 460-- , Rose, IJ . J . , Jr , and

t ion . 368Graf, D. L., with Goldsmith, J. R.

Relation between lattice con-

stants and composition of the

Ca-Mg carbonates . .

Graphite single crystals, produc-

tion of by thermal decomposi-

tion of aluminurn carbide (Fos-

ter, Long, Stumpf)

Greenberg, S. S., ar-rd Elbertl',

W. T. Crandallite (pseudo-

wavellite) from Gardner Mine

Ridge, Lawrerrce County, In-

diana

Gr i go r ' ev , l . F . .

Gross, E. 8., Corey, A. S,, Mitchell'

R. S., and Walenta, K. Hein-

richite and metaheinrichite,

hydrated barium uranyl ar-

z t \a

sena te m ine ra l s . . 113 ,1

Gui l lemin, C. 796

Guir . r ier camera, ntr l t ip le, appl ica-

t ior . r in c lay nt iner: t l s tur l ies(Porrenga) . 770

991

481989

8+

370791384

688

762t007790

98.1386

8+

Hi i gg i t e (Evans , Mrose ) . . . . . . 385

Hallirnond, A. F. Manual of the

Polarizing Microscope (Book

Review) 616

Hamilton, P. K., with Kerr, P. F.

Chrome mica-clay, TemPle

Mountain, Utah.. . 34

Hansen, M. Constitution of Binary

Alloys. (Book Review) 1217

Hayase, K. . 623

Hayes, E T. (Book Rer iern') . . . 1218

Heating stagc, liquid, a uerv lol-

ternperature (Virgin, Merssoni) 606

FIeidc, F. I{leiue Nleteoritckunde( B o o k R e v i e w ) . . . . 1 7 7

Fleirrrich, E. Wrn. (Bool< Revicws)177 ,1001

Heinrichite and metaheinrichite,hydrated barium uranyl ar-senate minerals (Gross, CoreY'Mitchell,

'Walenta).

Helium and argon, excess, in beryland other minerals (Damon,Kulp) .

H6n in , S .Hessenbergite (:bertrandite)

(Parker , l r rdergar rd)I-Iildebrand, F. A., rvith Faick,

J. N. An occurrerlce of molyb-denian stolzi te in Arizona. . .

with Glass, J. J., Evans,H. T., Jr., and Carron, M. K.Cerite from Mountain Pass'San Bernardino Countv, Cali-

INDEX TO VOLUME 43

1 134

+331 2 2 3

1008

1 5 6

with special reference to taPi-olite from southern Westland'New Zealand l I2

Hydroparagonite (Erdelyi, Ko-b lencz , ' Io lnay) . . . 1222

"Hypochlorite," bismutoferrite andchapmanite (Milton, Axelrod,I n g r a m ) . . . . . . . . . . 6 5 6

Hypochlorite, bisrnutoferrite, chap-manite (Milton, Axelrod, In-g ram) . . .

Hytdnen, K. .

626. . . . 7 9 0 , 7 9 1 , 7 9 5

with Sahama, T. G. Calci-um-bearing magnesium-ironolivines" ' ' 862

Ice crystals, single, hardness of(Butkovich). 48

Idaite (Frenzel). . 1219

I n d e r g a n d , P . . . . . 1 0 0 8

indice Alfab6tico Para el Dic-cionario Minero (EsPaflol,

Franc6s, Alemdn Y Ruso)(Novitzky) (Book Review) 1004

Ingerson, E. (Book Reviews) ' .17 6, 17 7, 37 6, 1004, 1217

Ingram, B., with Milton, C., andAxelrod, J. M. Bismutoferrite'chapmanite and "hYPochlor-i te t t 656

Inyoite at Lagurl'a Salinas, Peru'first known occurrence in ap l a y a ( M u e s s i C ) . . . . . . . l l 4 +

Ionic radius, relation to structures

t23l

fornia. . 460 of rare-earth phosphates, arsc-

Holmquistite as a rhombic am- nates and vauadates (Carron,

ph i t r o l e (Vog t , Bas t i ansen , Mrose ,Mura ta ) . . . . . 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

Roebl ing Medal . 336 l ron-alabandi te (Ramdohr) ' . . . . 378

Huntite from Tea Tree Gully, Iron Ore 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

J z i g e r , E . . . . . 3 8 4Jagoite (Blix, Gabrielson, Wick-

m a n , J 6 /Jasmund, K. Die Silikatischen Ton-

minerale (Bool< Review) . . 178Jense,.r, D. E., with English, G. L.

Getting Acquainted with X4in-erals. 2d ed. (Book Revicll'') 1217

J o h a n , Z . . . . . . 7 9 4

Kali ta, A. P.. . 797Kamb, W. B. Isogyres in inter-

ference figures 1029Kazakor':r, M. E. 792Keith, M. L., with Van Hook,

H. J, The system FeBO4-MnrOn . 69

Kellagher, R. C., with Ashby, G. E.Apparatus for the study ofthermoluminescence fromminerals . . 695

Kelly, W. C. (Book Review). . . . . 178Kennedy, G. C., with Buerger,

M. J . I rnproved spec in renholder for the focusing-typen-ray spectrometer 756

Kerr, P. F. Memorial of AustinFlint Rogers. 310

---. and Hamilton. P. K.Chrome mica-clay, TempleMountain, Utah. . . . 34

with Kopp, O. C. Differen-tial thermal analysis of pyritea n d m a r c a s i t e . . . . 1 0 7 9

Differential thermal analy-sis of sphalerite 732

K d s t e r i t e ( O r l o v a ) . . . 1 2 2 2Kettnerite (Zak, Syneiek) 385Khali fa-Zade, Ch. M. 1223Khapaev, L A . . . . 1007Kinrzeyite (Milton, Blade) . 1006Kirschsteinite(Sahama,Hytr inen) 790Kleber, W. Einfuhrung in die

Kristallographie (Book Re-view) 788

Kleine Meteoritekunde. 2d ed.(Heide) (Book Review) 177

K o b l e n c z , V . . . 1 2 2 2Kobokobite (Thoreau) 295Kohn, J. A, Twinning in diamond-

type structures: A proposedboundary-strucfure model 263

Komkov, A. I . . 623Kopchenova, E. V. 383Kopp, O. C., and Kerr, P. F. Dif-

ferential thermal analysis ofpyrite and marcasite

Ditrerential thermal analy-sis of sphalerite . . .

K o s t o v , I . . . . . .Koutekite (Johan). . .Kouvo, O., and Vuorelainen, Y.

Eskolaite, a new chromiummineral.

Kova lev , G. A . .Krutetskaya, O. V..Kukharchik, M. V.Kullerud, G., with Donnay, G.,

and Donnay, J. D. H. Crystaland twin structure of digenite,C u s S s . . .

Kulp, J. L., with Damon, P. E. Ex-cess helium and argon in beryland o therminera ls . . . . .

Kr rpa , F .Kutina, J. Memorial of Franti3ek

S l a v i k . . . . .

Laboratory Manual of Cr)rstal-lography for Students of Min-eralogy and Geology (Tunell,Murdoch)(Book Revielv).. . .

Lapham, D. M. Strucfural andchemical variation in chromi-um chlorite

Larsen, E. S., 3rd. Memorial ofJohn Charles Rabbitt

Lattice constants and compositionof the Ca-Mg carbonates, re-lation between (Goldsmith,Graf) . . 8it

Laves, F. 1008Lee, D. E. An andradite-spessar-

tite garnet from Pajsberg,Sweden

A chlorine-rich biotite fromLemhi County, Idaho

Leonard, B. F.Lerrnontovite

k i na ) . . .

(Soboleva, Pudov-379

t079

I J Z

t 2 2 l791

1 098623383

t 2 2 3

228

433792

325

6 1 8

921

307

208

107793

Leucite nepheline dolerite ofMeiches, Vogelsberg, Hessen(' f i l ley).

Lindberg, M. L. Beryllium contentof roscherite from the Sapu-caia pegmatite mine, MinasGerais, Brazil. . .

Li thiophosphate, note on (Fisher).Livilg Rocks (Cildbonovic) (Book

Review). . .Lodochn ik i te (Cotman) . .Lodochnikite (Soboleva, Pudov-

k ina)Long, G., with Foster, L. M., and

Stumpf, H. S. Production ofgraphite single crystals bythermal decomposition of alu-minum carbide . .

Losert, J.Louderback, George Davis, me-

morial of (Pabst)Loughnan, F. C., and See, G. T.

White chlorite from Cobargo,N , S , W

MacKenzie, W. S., with Smith,J. V. Alkali feldspars: IV. Thecooling history of high-tem-perature sodium-rich feld-spars 972

MacNeil, F. S., with Milton, C.,Axelrod, J. M., and Carron,M. K. Gorceixite from DaleCounty, Alabama. . . . 688

N{acro point countir.rg, stage for(Emerson) 1000

Magak'Yan, I . G. 1223N{agnetic susceptibilities of min-

erals in the Frantz Isodyr.ranricseparator (Rosenblum) .. . 170

Manganese silicate, unnamed(Smirnov). 793

Mangano-belyankinite (Semenov) 1220Nlanual of the Polarizing Micro-

scope (Hallimond) (Book Re-view) 616

Marcasite and pyrite, differentialthermal analysis of (Kopp,Kerr). . . to79

Martin, R. T. Clay-carbonate-solu-

INDEX TO VOLUME 13

758

82476r

1771007

380

ble salt interaction during dif-ferential thermal analysis, . .

M a s o n , 8 . . . . .Nlassoni, C. J., with Virgin, W. W.,

Jr. A new low-temperature,l iqu id heat ing s tage. .

Mathieson, A. M. Mg-vermiculite:a refinement and re-examina-tion of the-crystal structure ofthe 14.36 A phase

McConnell, D. The so-called "oxy-gen excess".

- - - (Book Review).and Murdoch, J. Crystal

chemis t ryo f scawt i te . . . .Mclachlan, D., Jr. X-ray Crystal

Structure (Book Review). . .Meen, V. B. Memorial of Arthur

Leonard Parsons.Megaw, H. D. Ferroelectricity in

Crystals (Book Review). . . .Melkov, V. G.

1233

6491008

606

216

620

302

7871008

with Thompson, M. 8.,and Roach, C. H. Sherwoodite,a mixed vanadium(IV)-vana-dium(V) mineral from the Col-o r a d o P l a t e a u . . . . . 7 4 9

- Simplotite, a new quadri-valent vanadium mineral fromthe Colorado Plateau. 16

Mg-Al oxides and silicates, physi-cal properties and bond type in(Verhoogen) 552

Mg-vermiculite: a refinement andre-examination of the-crystalstructure of the 14.36 A phase(Mathieson) 216

M i l t o n , C . . . . 1 0 0 6(Book l{eview) L2I7Axelrod, J. M., Carron,

M. K., and MacNeil, F. S.Gorceixite from Dale County,Alabama. 688

--t Axelrod, J. M., and In-gram, B. Bismutoferrite, chap-manite and "hypochlorite". 656

and Chao, E. C. T. Esko-laite in "merumite" from Brit-i s h G u i a n a . . . . . . 1 2 0 3

Mineralogical Society of America

7866r9

498

285792

297

67r

1234

Award, acceptance of @oy). . 346

Mineralogical Society of America

Award, presentation to Rus-

t umRoy (Osbo rn ) . . . . 3+1

Mineralogical Society of America,proceedings of the thirty-

eighth annual meeting at At-

lantic City, New Jersey 349

List of papers of special min-

eralogical interest presented at

annua l mee t i ng . . , . 362

List of fellows and members 388

Nlineralogische Tabellen (Strunz)

(Book Review). . 619

Nl i r r6raux D'uraniutn dLr Haut

I(atanga (Vaes, Guillemin,L)estas) (Book Review) . 1218

N{i tchel l , R. S. , and Giannini , W. F.

Natrojarosite from near theMontana-Wyoming line 1205

--, with Gross, E. 8,, Corey,A.S., and Walenta, K. Hein-

richite and metaheinrichite.

hydrated barium uranyl arsen-

ate minerals 1134_ and Sherwood, w. c.

Dahhl i tc pseudomorphs af terpyrite concretions. 600

M i y a s h i r o , A . . . . . 7 9 7

N{oluranite (Soboleva, Pudovkina) 380

N'Iolybdenian stolzite, an occurrellceirr Arizona (Faick. Hilde-

b rand ) . 156Monazite, earthy, at Magnet Cove,

Arkansas (Rose, Blade, Ross). 995Montmorillonites, factors effecting

maximum hydrothermal sta-bility in (Ames, Sand).

N { o r i g n a t , B . . . . . 1 8 0Morinite from the Black Hills

(Fisher, Runner). . 585N{oss, A. A. . 1008, 1225Mounta in , E . D. . , 624Mountainite, Rhodesite (Moun-

tain) (Gard, Taylor, Chal-rners) 624

Mrose, M. E. . 385

with Carron, M. K. , andMurata, K. J. Relation of

ionic radius to structures of

INDEX TO VOLUME 43

rare-earth phosphates, arse-

nates and vanadates. 985

Muessig, S. First known occur-

rence of inyoite in a Playa, at

Laguna, Peru l l44

Murata, K. J. , wi th Carron, M. K. ,

and Mrose, M. E. Relation of

ionic radius to structures of

rare-earth PhosPhates, arse-

nates and vanadates 985

Murdoch, J. Phosphate minerals of

the Borborema Pegrnatites. II.

BoqueirSo. 1148

with McConnell' D. CrYs-

tal chemistry of scawtite . . 498-, 'rvith Tunell, G. LaboratorY

Manual of CrystallograPhY for

Studerts of Nlineralogy and

Geology (Book Review). . 618

Nakaya, U. Snow Cr1'stals, Nat-

ural and Artificial (Book Re-

vielv). 622

Natrojarosite from near the Mon-

tana-Wyoming line (Mitchell,

Giannini ) 1205

Nelson, B. W'., and RoY, R. SYn-

thesis of chlorites and their

structlrral and chemical con-

stitution. . 707Nendo-Kobutso (Clai' Miner:rls)

(Sudo) (Book Review) 1217

Nepheline, natural, a comPlex form

fron Iivaara, Finland (S.-

hama). . . 165

New da ta 384 ,626 ,795 ,1223

New mineral names. .

641 . . .180, 378, 623, 790, 1006, 1219

Niggl i , E.Niizeki, N,, with Buerger, M. J.

Correction for absorPtion for

rod-shaped single crYstals

Nioboloparite (Tikhonenkor', Kaz-

akova ) .Novak, F.

Novitzky, A. indice Alfab6tico

Para el Diccionario Minero

(EspaRol, Franc6s, Alerndn Y

Ruso) (Book Review)

Tables for the iVlicroscoPic

384

726

792792

t004

and X-ray Determination ofthe Opaque Minerals ("TablasPara la Determinaci6n Micro-sc6pica y Rayos X de Min-erales Opacos") (Book Re-view)

Obruchevite (Getseva, Savel'eva)Obruchevite (Kalita)

Olivine and orthopyroxene in basiclavas and shallow intrusions,alteration of (rMilshire). . .

Olivines, calcium-bearing magnesi-um-iron (Sahama, Hytiinen)

Orcel, J.Ordi te (Ambramovich).

O r g a n o v , . \ . I . . . .Orlite (Soboleva, Pudovkina)C l r l , r va , Z . \ - .Orthochamosite (Noval<. Vtelen-

sky, Losert, Kupa, Valcha)Osborn, E. F. Presentation of the

Mineralogical Society ofAmerica Award to RustumRoy

Ove r , E , w i t h G lass , J . J . , andRose, H J. , Jr . Yt t r iunr-bear-ing pegmatite bodl' near LakeGeorge, Park County, Colo-

Pabst, A. Memorial of GeorgeDavis Louderback

--- The structure of leachedgillespite, a sheet silicate

(Book Review)Padera, K.Parapitchblende (Geffroy, Sarcia) .Parker, R L.Parsons, Arthur Leonard, memorial

of (Meen).

Paterson, M. S. Melting of cerlcitein the presence of water ar-rdcarbon dioxide

Pegmatite phosphates, addendunto (Fisher) .

Pegmatite phosphates and theirproblems (Fisher)

TNDEX TO VOLUME 1.]

Petrova, E. S..Phosphate minerals of

borema pegmatites.queiro (Murdoch)

1235

. 385the Por-

II. Bo-

Physics and Chenl is t ry oI the Earth(Book Review).

Pierror , R. .Plagioclase, heated, optical prop-

I 148

616796

erties of (Smith). . . 1179Plagioclase feldspar, a sirnple fu-

sion method for deterrnirrationfron'r thin section (Gradwell). . 368

Plagioclase feldspars, efect oftemperature, structural stateand composition on the albite,pericline and acline-A twinso f (Smi th ) . . . . 54( r

Planerite (:cuprian coeruleol:rc-t i te and calcian turquois)(Fischer) . 122+

Platinum-metal minerals, chemicalanalysis of (Westland, Beam-ish). . 503

Porrenga, D. H. Application ofn ru l t ip l t ' Gu in ie r canrera inclav nineral studies. 770

Potassium rrfxation" by expanda-ble clay minerals derived frommuscovite, biotite, chlorite andvolcanic material, effects ofgeologic significance of (Weav-er) 839

Pouget , R . . 180Przhevalshite (Soboleva. Pudov-

kina) 381Pti lol i te, Flokite, Arduinite (al l

:mordenite) (Davis)Pt rdovk i r ra , L A . . . .Pukha l ' sk i i , L . C . .Pyrite and marcasite, differential

thermal analysis of (Kopp,Kerr)

Quartz, relationships among im-purity contents, color centersand lattice constants in (Co-hen, Sumner)

122.+378

1 008

1079

Rabbitt, Johnof (Larsen)

l / o

380797

120

8621 2 2 31 2 2 23833 8 1

t 2 2 2

792

344

rado 991"Ox1'gen excess," so-called (Mc-

Connel l ) 786

297

970620

1225792

1008

302

603

609

1 8 1

5 8

Charles. memorial307

t236

R a m d o h r , P . . . . . . . . . . 3 7 8 , 7 9 4Ramsdell, L. S. Presentation of the

Roebling Medal to'Walter F.Hunt 331

, B o o l < l t e v i e w s . . . . . . l 2 l 8Ranite (:gonnardite) (Mason). . . 1008Refractometer peri ls (Fisher).. . . 777Reinerite (Strunz, Sohnge, Geier). 1006Remick, J. H. Chart showing the

sphere of influence of atomsa n d i o n s i n m i n e r a l s . . . . . . . 1 6 6

( B o o k R e v i e w ) . . . . . . . . . . . 6 2 2Revoredite (Amstutz, Ramdohr,

De Las Casas). 794llhodesite, Mountainite (Moun-

tain) (Gard, Taylor, Chal-mers). . 62+

Rice, R. V., and Cohen, A. J. Newmethod for orienting electronm i c r o s c o p e r e p l i c a s . . . . . . . . . 2 5

I{inkite, johnstrupite, rinkolite,lovchorrite, and calcium rink-ite (all : mosandrite) (Slep-nev) (Sahama, Hy tdnen) . . . . . 795

--, with Thompson, M. E.,and Meyrowitz, R. Sherwood-ite, a mixed vanadium(Iv)-va-nadium(V) mineral from theColorado Plateau. 749

Simplotite, a new quadri-valent vanadium mineral fromthe Colorado Plateau. 16

Roe, L. A. Iron Ore Beneficiation( B o o k R e v i e w ) . . . . . . 3 7 6

Roebling Medal, acceptance of(Hunt). 336

Roebling Medal, presentation toWalter F. Hunt (Ramsdell) 334

Rogers, Austin Flint, memorial of(Kerr). 310

R o p e r t , M . E . . . . . . . . . 1 8 0Roscherite from the Sapucaia peg-

matite mine, Minas Gerais,Brazil, beryllium content of(Lindberg). 824

Rose, A. J. Tables Permettant leDipouillernent des Dizr-grammes de Rayons X etAbaques de Rdglage des Mon-ochrornateurs i Lame Courbe

INDEX TO VOLUME 43

( B o o k R e v i e w ) . . . . . . . . . . . 3 7 6Rose, H. J., Jr. , Bl:rde, L. V., and

Ross, M. Earthy monar,ite atMagnet Cove, Arkansas 995

-, with Glass, J. J", andOver, E. Yttrium-bearing Peg'matite body near Lake George,Park County, Colorado 991

Rosenblum, S. Magnetic suscePti-bilities of minerals in theFrantz Isodynamic magnetics e p a r a t o r . . . . . - . . 1 7 0

Ross, C. S. W'eltled tuff from deeP-well cores from Clinch CountY'G e o r g i a . . . . . 5 3 7

Ross, M., and Christ, C. L. Min-eralogical applications of elec-tron diffraction 1157

with Rose, H. J., Jr. , andBlade, L. V. trarthSz rnonaziteat Magnet Cove, Arkansas . . 995

Rowe, R. H., with Sabine, P. A.,and Day, G. Device for pre-cisely controlling an iris dia-p h r a g m . . . . 7 8 4

Roy, D. M. System CaO-AlrOa-SiO:-HzO IV: Phase equilibriain tle high lime portion of thesys tem CaO-SiOz-HzO. . . . . . 1009

Roy, H, Acceptance of tle Min-eralogical Society of AmericaAward. 316

with Nelson, B. W. SYn-thesis of chlorites and theirstructural and chemical con-stitution. 707

Runner, J. J., with Fisher' D. J.Morinite from the Black Hills 585

Rustom, M., witl Brindley' G. W'Adsorption and retention of anorganic material by montmoril-lonite in the Presence ofwater. . 627

Rynders, G. F., with Van Valken-burg, A. Synthetic cuspidine. 1195

Sabine, P. A., Rowe, R. H., andDay, G. Device for preciselycontrolling an iris diaphragrn. 784

Saha, P., and Srnith, J. B. The

INDEX TO

structure and properties ofnatural and synthetic minerals 171

Sahama, T. G. A complex form ofnatural nepheline from Iivaara,Finland. 165

. . 7 e 0 , 7 9 t . 7 9 s-, and Hytiinen, K. Calcium-bearing magnesium-iron oli-vines.. 862

Sanbornite, BaSizOr, crystal struc-ture of (Douglass). . . 517

Sand, L. B., witl Ames, L. L. Fac-tors effecting maximum hy-drothermal stability in mont-morillonites. (t4l

Hydrotlermal synthesis inwairakite and calcium-mor-denite. 476

Santafeite (Sun, Weber) 623Santafeite, a new hydrated vana-

date from New Mexico (Sun,Weber). 677

S a r c i a , J . A . . . . . . 7 9 2Sassolite, new occurrences in the

Uni ted Sta tes (Smi th ) . . . . t204Sassolite from tie Kramer borate

district, California (Smith, At-mond, Sawyer).. 1068

Sasvari, K.. . 626Savel 'eva, K. T.. . 378Sawyer, D. L., with Smitl, G. L,,

and Almond. H. Sassolite fromthe Kramer borate district,Cali fornia . . . 1068

Sborgite (Cipriani) 37EScarbroite (Duff in, Goodyear). . . . 384Scawtite, crystal chemistry of

(McConne l l , Murdoch) . . . . . . 498Schaller, W. T., and Vlisidas, A. C.

Ajoite, a new hydrous alumi-num copper si l icate... . . . l l07

S c h n e i d e r , T . R . . . . . . . . . 1 0 0 8Schuilingite (Guillemin, Pierrot) . . 796See G. T., with Loughnan, F. C.'White

chlorite from Cobargo,N.S.w. 671

Semenov, E . I . . . . . . .1219,1220Selected Electron Micrographs of

Clays and Other Fine-grainedMinerals. (Bates) (Book Re-

Serpentine rninerals, characteriza-tion of (Whittaker, Zussman)

S. James Shand Memorial Volume.(Tal jaard, M. S., Editor.)( B o o k R e v i e w ) . . . . . . . . . .

Shand, Samuel James, memorialof (Chayes).

Shaw, E. R,, with White, J F., andCorwin, J.F. A chalcedony-like variety of germania, GeOz

Sherwood W. C., with Mitchell,R. S. Dahhlite pseudomorphsafter pyrite concretions. . . . . .

Sherwoodite, a mixed vanadium-(IV)-vanadium(V) mineralfrom tle Colorado Plateau(Thompson, Roach, Meyro-witz). .

Silica, amorphous, some observa-tions on ttre crystallization of(Carr, Fyfe).

Silicon, piezobirefringence in (Gi-ardini).

Silicon, study of the directionalhardness in (Giardini)

Silikatischen Tonminerale, 2d ed.(fasmund) (Book Review). . .

Simplotite, a new quadrivalent va-nadium mineral from the Colo-rado Plateau (Thompson,R o a c h , M e y r o w i t z ) . . . .

Skancke, P., with Vogt, T., andBastiansen, O. Holmquistiteas a rhombic amphibole. . .

Skinner, B. J. Huntite from TeaTree Gully, South Australia

Skvortsova, K. \r.. .Slavik, Frantiiek, memorial of

(Kutina).Slepnev, Y. S.. .Srrr irnov, S. S.Smirnovskite (Grivor'ev, Dolouro.

nova). .Smith, G. L., Almond H., and

Sawyer, D. L. Sassolite fromthe Kramer borate district,California

Smith, J. B., with Saha, P. ' fhe

structllre and properties of

VOLUME 43

view)

1237

1 2 t 8

9t7

r78

317

580

600

7+9

908

249

957

1 7 8

1 6

981

1 5 9383

5 Z J

795793

386

1068

1238

natural and synthetic minerals 174

Smith, J. R. Optical properties ofheated plagioclases 11,79

Smith, J. V. Effect of temperature,structural state and composi-tion on ttre albite, pericline andacline-A twins of plagioclase

feldspars 546and MacKenzie, W. S. Al-

kali feldspars: IV. The cool-ing history of high-tempera-ture sodium-rich feldspars. . 872

Smith, R. L. New occurrence ofsassolite in the United States 1204

Snow Crystals, Natural and Art ih-

cial (Nakaya) (Book Review) 622Soboleva, N{. V. . . 378

Sodium autunite (Chernikov,

Krutetskaya, Organov). 383Sodiurn lJranospini te. . 383Sogreni te(Soboleva,Pudovkina) 382So,hnge, G.. 1006Specimen holder, improved, for the

focusing-type X-ray spec-

trometer (Buerger, Kennedy) 756Sphalerite, differential thermal

analysis of (Kopp, Kerr) 732Spherobertrandi te(Semenov). . . 1219Stain ier i te (Orcel , H6nin. Cai l lbre) 1,223Steiner, A. Occurrence of wairakite

at The Geysers, California. . . 781Stibiotellurobisrnuthite (Magak'-

Y a n ) . 1 2 2 3Stottite (Strunz, Srihnge, Ceier) 1006Stnrcture and properties of natural

and synthetic rlinerals (Saha,

Smith) 174

Structure Reports for 1951 (Book

Review). . . 622Strul<tur r-rnd Eigenschaften der

Kristalle (Winkler) (Book Re-v i e w ) . . . . . . . . . 1 7 7

Strunz, FI. Mineralogische Tabellen( B o o k R e v i e r v ) . . . 6 1 9

. 7 e 8 , 1 0 0 6Strur-rzite (Frondel) 793Stumpf, II. S., with Foster, L. M.,

and Long, G. Production ofgraphite single crystals by

INDEX TO VOLAME 43

thermal decomposition of alu-m i n u m c a r b i d e . . 2 8 5

SLrdo, T. Nendo-Kubutso (Cltr1'n-rirrerals) (Book l{er-ierv) .. . 1217

Sumner, G. G., and Cohen' A. J.Relation among impurity con-tents, color centers and latticeconstants in qtartz. 58

Sun, M. S . . 623and Weber, R, H. Santa-

feite, a new hydrated vanadatefrom New Mexico

Syneiek, V.System CaO-A1:Oa-SiOrHzO IV:

Phase equilibria in the highlime portion of the system

6773 8 5

CaO-SiOz-HzO (Roy). .

System Fe:Or-MnsOe (Van. . 1 0 0 9

fIook,Keith)

Tables for the Microscopic and X-

ray Determination of the

Opaque Minerals ("Tablas

para la Determinaci6n Micro-

sc6pia y Rayos X de Minerales

Opacos"), 2d ed. (Novitzky)

( B o o k R e v i e w ) . . . . 1 7 6'Iables

Permettant le D6potrille-

ment des Diagranmes de Ray-

ons X et Abaques de R6glage

des Monochromateurs d Lame

Courbe (Rose) (Book Review) 376

Tacnet, G.. 624

Tapiolite, notes on, with special

reference to tapiolite from

southern W'estland, New Zea-

land (Hutton) 712

Taylor , H. F. \ \ r . . 624

, with Buckle, E. R. Calci-

um analogue of chondrodite 818

with Gard, J. A. l'oshagite:

composition, udt cell and de-

hydration. 1

Thermoluminescence from min-

erals, apparafus for the sfudy

of (Ashby, Kel lagher) . . . . 695

Thin-section photography, low-

magr.rification (Atchlei') 99iRoach, C, H., and Mey-

6q

INDEX TO VOLAME 43 t239

rowitz, R. Sherwoodite, amixed vanadium(IV)-vanadi-um(V) mineral from the Colo-rado Plateau. 719

Simplotite, a new quadri-valent vanadium mineral fromthe Colorado Plateau 16

' f h o r e a u , I . . . 7 9 5

Thorite crystals, synthetic, forma-tion and properties of (Fuchs) 367

Thorite, uranothorites, and coffinite,synthetic, X-ray studies of(Fuchs, Gebert) 243

'l'horutite (sn'rirnovite) (Gotnran,Khapaev). .

'l ' ikhonenkov, I. P.

Tilley, C. E. Leucite ncphclinedolerite of Meiches, Vogels-b e r g , H e s s e n . . .

1 'o lnay, V. .Tunel l , G. , and Nlurdoch, J. Lab-

oratory Manual of Crystal-lography for Studerrts of NIin-eralogy and Geology (BookReview). 6 1 8

Twinning in diamond-type struc-tures: A proposed boundary-structure model (Kohn) 263

tl fcrt i te(Soboleva,Pudovkina). 378Ulexite. nonlibrous. from the Kra-

rner district, California (Allen) 169Uraniun rninerals from U.S.S.R.

(Soboleva, Pudovkirra) (Gets-e v a , S a v e l ' e v a ) . . . 3 7 8

Uranothorites, thorite and comnite,synthetic, X-ray studies of(Fuchs, Gebert) 243

Usigite (usihyte) (Melkov, Puk-ha l ' sk i i ) . . . 1008

Yalcha,Z . . . 792Van Hook, H. J,, and Keith, M. L.

The System Fe3Oa-Mn3Oa 69Van Valkenburg, A., with Bunting,

E. N. Some properties of dia-mond. , 102

and Rynders, G. F. Syn-thetic cuspidine. 1195

Verhoogen, J. Physical propertiesand bond type in Mg-Al oxidesand silicates

V iber l i te (Coodman)Virgin, W. W , Jr., and Massoni,

C. J. A new low-temperature,

552791

1007792

liquid heating stage. 606Vlisidis, A. C., with Schaller,'W. T.

Ajoite, a new hydrous alu-minum copper silicate lL07

Vogt, T., Bastiausen, O , andSkancke, P Holmquistite as ar h o r n b i c a m o h i b o l e . . , . 9 8 1

V t e l e n s k y , J . . . . . . . . . . 7 9 2Vuorelainen, Y., with Kouvo, O.

Eskolaite, a new chromiurnm i n e r a l . . . . 1 0 9 8

Wairakite, occurrence at 1'he Gey-sers, California (Steiler). . 781

'Wairakite and calcium-mordenite,

hydrothermal synthesis in(Ames, Sand). +76

Walenta, K., with Gross, E. B.,Corey, A. S., and Mitchell,R. S. Heinrichite and meta-heinrichite, hydratetl bariumuranyl arsenate minerals 1134

Walpurgite, unnamed phosphateanalogue of (Soboleva, Pudov-kina)

Wasserstein, Benno, memorial of(Fleischer). . . 331

Weathered sedirnentary ironstones,nrirreralogical changes irr(Youell) 77+

'Weaver, C. E, Effects of geologic

significance of potassium "fix-ationtt by expandable clayminerals derived from mus-covite, biotite, chlorite andvolcanic material. 839

Weber, R. H.. 623with Sun, M. S. Santa-

feite, a new hydrated vanadatefrom New Mexico... . 677

lYelded tuff from deep-well coresfrom Clinch County, Georgia( R o s s ) . . . . 5 3 7

/ J d

r222

383

1240 INDEX TO VOLUML:, 13

Westland, A. D., and Beamish,F, E. Chemical analysis ofiridosmines and other olati-num-metal minerals

White, J. F., Shaw, E. R., and Cor-win, J. F. A chalcedony-likevariety of germania, GeOr

Whittaker, E. J. W., and Zussman,J. Charucteization of ser-pentine minerals

Wickman, F . E . . . .'Wilshire,

H. G. Alteration of olivineand orthopyroxene in basiclavas and shallow intrusions

\Vinchell, FI. The composition andphysical propert ies of garnet

Optics of the eosphorite-chi ldrenite series

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