TNDEX TO VOLUI\{E 41

Leading articles are in bold face type; notes, abstracts and reviews are in ordinarytype. Only minerals for which definite data are given are indexed.

Abernathyite, a new uranium min-eral of the metatorbernitegroup (Thompson, Ingram,Gross).

Absire (Whitr ie)Adler, I., and Axelrod, J. NI. The

curved-crystal r-ray spectrom-eter,a mineralogicaltool . . . . .

Ahrens, L. H. Quantitative Spec-trochemical Analysis of Sili-cates (Book Review)

Alexander, L. E. (Book Review).Alkali feldspars: III. An optical and

x-ray study of high-tempera-ture feldspars (MacKenzie,Smitl).

Allen, R. D. A new equation relat-ing intlex of refraction andspecific gravity .

with Kramer, H, A restudyof bakerite, priceite, andveatchite.

Allevardite, a swelling double-layer mica mineral (Brindley) .

Alluaudite (Nov.-Dec. 1955 issue),corrections to. . . . .

Aluminum arsenate crystals, hy-drothermal growth of (Stan-l e v ) . . . . .

Aluminum nitride molocrystals,synthesis of (Kohn, Cotter,Pot te r ) . .

Alushite : dickite f hydrous mica(Logvinenko, Frank- Kamenet-ski i) . . .

Alvarez-Tostado, C., with Kemp-ter, C. P. Calculated atomicscattering factors for silicon at2 5 " C . .

Alvarolite (:Mangantantalite)(Tavora).

Amblygonite, cassiterite, arrd as-sociated minerals from C6-ceres, western Spain (Weibel)

Ammonium fxation and release in

crystals.

Augelite

368JJ+

certain minerals, thermal stud-ies of (Scott, Hanway, Stan-ford). . 701

82 Amor, I. A. 165166 Andalusite (Hietanen) 1

Antkiw, S., Waesche, H., andSenftle, F. E. Surface adsorp-

524 tion of Csr37 ions on qlrartz

Baier, E., with Schmidt, W. Lehr-buch der Mineralogie (BookReview)

Bakerite, priceite, and veatchite, areshrdy of (Kramer, Allen). . . .

Bann is te r , F . 4 . . .Barium phosphuranylite, optical

and rc-ray data...Barylite, unit cell and space group

of (Smith).Bastnaesite, an accessory mineral

in the Redstone granite fromWesterly, Rhode Island(Smith, Cisney).

Bayerite (Gedeon). . .Beta-Roselite (Frondel).Betekhtinite (Schi.iller, Wohlmann)Biotite, Chemical analysis.Bismuth jamesonite (Sakharova) . .Blinkoff's compound, optical and

x-ray dalzBloxam, T, W. Jadeite-bearing

metagraywackes in CaliforniaBlggildite (Pauly)Borg, I. Note on twinning and

363t .) r

148

5094 J

s2+672

162

366

J J J

952

Antigorite (Brindley) .

Antigorite: Superlattice and struc-

tural formula (Zussman). .

Arfvedsonite from Greenland, opti-

cal anomalies in (Sahama). . . .

Axelrod, J. M., with Adler, I. Thecurved-crystal r-ray spectrom-eter, a mineralogical tool. . . . .

405

2+5

689

9 1689164

919

512947

/ o

959J J /

J / l

8 1 4

919168

48895941

961

962 INDEX TO VOLUME 41

pseudo-twinning in detritalquartz grains. 792

Bornhardtite (Ramdohr, Schmitt) 164Bornite from S. Australia (Nov.-

Dec. issue) corrections to . .. 168Boron in tetrahedra of borates and

borosi l icates (Loewenstein) . . . 349Bow ie , S . H . U . . . 816Braddock, W., with Thompson,

M. E., and Roach, C. Newrq

occurrences of native selenium 156Bradley, W. F., and Weaver, C. E.

A regularly interstratifiedchlorite-vermiculite clay min-e r a l . . . + 9 7

Branche, G. . . . 816Brazrlian kaolins, tubular mor-

phology of some (Visconti,N ico t , de Andrade) . . . . . . . . 67

Brindley, G. W. Allevardite, aswelling double-layer micamineral. 91

Antigorite 151with Earley, J. W., Mc-

Veagh, W. J., and VandenIleuvel, R. C. A regularlyinterstratified montrnorillo-t r i t e - c h l o r i t e . . . . . . . . . 2 5 8

and Gillery, F. II. X-rayidentification of chloritespecies. 169

B r o w n , G . . . . 5 3 6Brushite and taraaakite from Pig

Hole Cave, Giles County,Virginia (Murray, Dietrich). . . 616

Buerger, M. J., with Pearson, A. D.Confirmation of the crystals t ruc tu re o f pent land i te . . . . . . 804

Burova, T. A.. . 163Bursaite (Tolun) 671Buryanova, E. Z. 671Bustamite (Hutton) , 581

Calciborite (Petrova) 815Calcite-aragonite equilibrium re-

lations at elevated tempera-tures and pressures, experi-mental determination of(MacDonald). 744

Calcite-wollastonite equilibrium,

a note on (Ellis, Fyfe) . . . 805Canbyite(:Hisingerite) (Bowie).. 816Cardosonite (Amor) 165Carron, M. K., with Glass, J. J.

Evans, H. T. Jr., and Rose, H.

Jr. Cerite from Mountain Pass,San Bernardino Countv, Cali-fornia.

Cassiterite (Weibel).Cerite from Mountain Pass, San

Bernardino County, California(Glass, Evans, Carron, Rose)

Chapman, C. A. (Book Review) . . .Chapman, R.'W., with Jaffe, H. W.,

and Evans, H. T. Jr. Occur-rence and age of chevkinitefrom the Devil's Slide fayalite-quartz syenite near Stark, NewHampshire.. .

Chervet, J.. . .Chevkinite from tle Devil's Slide

fayalite-quartz syeflite nearStark, New Hampshire, oc-currence and age of (Jaffe,Evans,Chapman) .. .

Chi ldrenite (optical data)Chlorite species, x-ray identi:frca-

tion of (Brindley, Gillery). .Chlorite-vermiculite clay mineral, a

regularly interstratitred (Brad-ley, Weaver).

Christ, C. L. Precision determina-tion of lattice coflstants ofsingle crystals using the con-ventional Weissenberg camera

with Clark, J. R. Observa-tions on rutherfordine. . . . . .

(Book Review). . .Chromites, Indian, on the com-

positiofl of some (MalhotratPrasada Rao) . . . . . . .

Chromium lattice constant ; absorp-tion and refraction corrections(Straumanis, Weng).

Chrysotile, determination of mag-netite in (Shell) .

Chudoba, K. F., and Giibelin, E. J.Echt oder Synthetisch? (BookReview)

Cisney, E. A., with Smith, W. L.

6654 1

665809

474816

A t 7 |

45

169

497

569

u4369

460

4s7

351

955

INDEX TO VOLUME 41 963

Bastnaesite, an accessory min-eral in the Redstone granitefrom Westerly, Rhode Island 76

Clark, J, R., and Christ, C. L.Observations on rutlerfordine 844

Clarkeite (Frondel, Meyrowitz). . . 127Clay mineral dehydroxylation, os-

cillating-heating x-ray diff rac-tometer studies of ('Weiss,Rowland) lI7

Clays and Clay Minerals (Milligan,editor) (Book Review) 956

Clays and Clay Minerals (Swine-ford and Plummer, editors)(Book Review) i62

Clinopyroxenes of alkali olivine-basalt magma (Wilkinson). 724

Cobalt selenide, unnamed (Ram-dohr, Schmitt) 16+

Coelho, A. v. P. 161Coffnite, a uranous silicate with

hydroxyl substitution: a newmineral (Stieff, Stern, Sher-wood) 675

Cohen, A. J. Color centers in thea-quartz called amethyst 87+

Color centers in the a-quartz calledametlyst (Cohen) 874

Contamination of the characteristicr-radiation of copper by Fe,Cr, and Ni radiation (Kohn,Levinson) 511

Cordierite porphyroblasts, large,Fremont County, Colorado,note on (Travis)

Cotelo Neiva, J. MCotter, P. G., with Kohn, J. A.,

and Potter, R. A. Synthesisof aluminum nitride mono-crystals

Crednerite, crystallography andcomposition of (McAndrew). .

Crosby, J. W. III. A DescriptiveGlossary of Radioactive Min-als

Cs13? ions, surface adsorption onquartz crystals (Antkiw,

Waesche, Senftle)Curtisite ( : Idrialite) (Tu dek,

Kouiimskf)

532

de Andrade, E. G., with Visconti'Y, S., and Nicot, B. N. F.Tubular morphology of someBrazilian kaolins 67

Deans, T.. 167Dehydroxylation, clay mineral, os-

cillating-heating x-ray dif-fractometer studies of (Weiss,Rowland) 117

Dennen, W. H., and Shields, R'Yttria in zircon .

Denning, R. M. (Book Review)

Descriptive Glossary of Radioac-

tive Minerals (Crosby) (Book

Review)

" Dewindt i te"Diamond type crystals, faces and

habits of (Wolfr)

Diamond type structures, twinning

53292r

60

in (Kohn) 778Diderichite (Frondel, Meyerowitz) 127Die Bergwirtschaft der Erde (Fried-

ensburg) (Book Review) . ' 669Die Erzmineralien und ihre Ver-

wachsungen (Ramdohr) (BookReview) 954

Dietrich, R. V., with MurraY' J. W.Brushite and taranakite fromPig Hole Cave, Giles CountY'Virginia 616

Trigonal paragonite fromCampbell and Franklin Coun-ties, Virginia 940

Di l ln i te (Konta) . . 673Discredited minerals. 168. 538, 816, 960Dolomanova, I . . 371Donnay a:rd Harker, an interPreta-

tion of tle law of (Hartman,

Perdok) .. 449Donnay, G., Kracek, F. C., and

Rowland, W. R. Jr. Theihemical formula of empres-site 722

Dumontite, optical and lc-raydata 921

Duttonite (Thompson, Roach,Meyrolr itz) 958

Earley, J. 'W.,

Brindley, G. W''McVeagh, W. J., and Vanden

655J J J

796370

35s

276

.t o.t

168

964 TNDEX TO VOLUME 11

Heuvel, R. C. A regularly in-terstratified montmorillonite-chlorite

Echt oder Synthetisch (Chudoba,Giibelin) (Book Review)

Edwards, A. B. Hypogene goethiteat Peko Mine, N. T., Australia

El l is , A. J. , and Fyfe, W. S. A noteon the calcite-wollastoniteequilibrium

Empressite, the chemical formulaof (Donnay, Kracek, Row-land)

Eppler, W. F. Praktische Edel-steinpriifing (Book Review) . .

Erd, R. C.Erhart, H. La Genbse des Sols en

tant que Phdnombne G6o-logique (Book Revieu')

Ericaite (Heide) (Kiihn, Schaacke)Erzmikroskopie (Wakronrejev).

Translated from the Russianby Wolfgang Osetreich. (BookReview)

Eucolite, a new occurrence near\AIausau, Marathon County,Wisconsin (Stobbe, Murray)

Evans, H. T. Jr., with Jafie, H, W.,and Chapmann, R,'W. Occur-rence and age of chevkinitefrom the Devil's Slide fayalite-quartz syenite near Stark, NewHampshire.

with Glass, J. J., Carron,M. K., and Rose, H. Jr'. Ceritefrom Mountain Pass, SanBernardino County, California

Evenkite, correction to formula(Rudk in )

Faust, G. T., with Nagy, B. Serpen-tines: Natural mixtures ofchrysotile and antigorite

Ferroan johannsenite (Hutton)Ferroselite (Buryanova, Komkov) .Feruti te (Kazitsyn)F i s c h e r , E . . . . .Fischerite (:Wavellite) (?) (Sum-

Fisher, D. J. Presentation of TheMineralogical Society ofAmerica Award to JulianRoyce Goldsmith. . . 329

Fisher, E. .538, 960Fleischer, M. A notable centenary

in An'rerican mineralogy: Sam-uel Lewis Penfield, 1856-1906 139

Fluorine phlogopite, OH-F ex-change in (Noda, Roy) 929

Foshag, W, F, Memorial of JohnPutnam Marble 301

Foster, W. F. (Book Review) 667Fournet, G., with Guinier, A.

Small-Angle Scattering of X-rays. Translated by C. B.Walker. (Book Review) 534

Frank-Kamenetskii, V. A. 960Frechette, V. D., with Insley, H.

Microscopy of Ceramics, In-cluding Glasses, Slags andFoundry Sands (Book Review) 530

Friedelite family, the empfuicalunit cell contents of (Hey) 134

Friedensburg, F. Die Bergwirt-schaft der Erde (Book Review) 669

Frondel, C, Memorial of CharlesPa lache . . . 306

Mineral composition ofgummite. 539

and Meyrowitz, R. Studiesof uranium minerals (XIX):Rutherf ordine, diderichite, andclarkeite 127

and Morgan V. Inderiteand gerstleyite from the Kram-er borate district, Kern Coun-ty, California .. 839

Morgan, V., and Waugh,J. L. T. Lesserite, a new bo-rate mineral 927

Fyfe, W. S., with El l is, A. J. Anote on the calcite-wollastoniteequilibrium. 805

Gabriel, Alton, memorial of (Mc-vav) 297

Galeite (Pabst, Sawyer, Switzer). 672Garavelli, C. L. . . 370G a r d , J . A . . . . . . . 9 5 8

258

955

657

805

722

< I t

8 1 5

956372

954

932

174

66.58 1 5

163

8r7581o / rlo.t

538

J J /

Garnet group, physical propertiesof end-members of (Skinner)

Garrelsite (Milton, Axelrod, Grim-a ld i ) . . .

Gearksite (Grivor'ev, Dolomano-va)

Gedeon, T. G..Geochemie (Saukov) (Book Re-

v i e w ) . .Geology of Southern California

(Jahns, editor) (Book Review)Gerstleyite (Frondel, Morgan)Gillery, tr'. H., with Brintlley, G. W.

X*ray identitrcation of chloritespecies. . .

Girhard, M. N., with Stern, T. W.,Stieff, L. R., and Meyrowitz,R. The occurrence and prop-erties of metatyuyamudte,Ca(UOz)z(VOa)z' 3-5HzO

Gladstone and Dale rule, applica-tion to minerals (Jatre)

Glans en Gloed Uit Donkere Diep-ten (Midderigh-Bokhorst) (Book

Review). . .

INDEX TO VOLUME 4I

428

672

. ) / l

959

8 1 1

8 1 3839

169

Giibelin, E. J., with Chudoba, K. F.Echt oder Synthetisch? (BookReview) 955

Guinier, A., and Fournet, G. Small-Angle Scattering of X-rays,translated by C. B. Walker(Book Review). . 534

Gummite, mineral composition of(tr'rondel). 539

Hall , F. P., with Levin, E. M.,and McMurdie, H. F. PhaseDiagrams for Ceramists (BookReview). . 667

Hamilton, W. B., and Neuerburg,G. J. Olivine-sanidine trachY-basalt from the Sierra Nevada,California. 851

Ilanway, J. J., with Scott, A. D.,and Stanford, G. Thermalstudies of ammonium fixationand release in certain minerals 701

Hartman, P., and Perdok' W. G.An interpretation of the law ofDonnayandflarker 449

Hastite (Ramdohr, Schmitt) 164Hawley, J. E. Memorial of Robert

Charles W'allace. . ) l . )

J I LHeide, F.Heinrich, E. W. Microscopic

Petrography (Book Review). . 809- (Book Reviews)

531, 532, 669, 8 r r ,812, 813, 954, 955Hey, M. H. The empirical unit cell

contents of the friedelite family 131___-An Index of Mineral Species

and Varieties Arranged Chemi-cally (Book Review) .. 812

965

Glass, J. J., Evans, H. T. Jr., Car-ron, M. K., and Rose, H. Jr.Cerite from Mountain Pass,San Bernardino County, Cali-f o r n i a . . . . . . . . 6 6 5

Goethite, hypogene, at Peko Mine,N. T., Australia (Edwards) 657

Goldsmitlt, J. R. Acceptance of TheMineralogical Society ofAmerica Award . 331

Gottfried, D., Senftle, F. E., andWaring, C. L. Age determina-tion of zircon crystals fromC e y l o n . . . . . . 1 5 7

Grassmann, H.. 673Grawe, O. R. Starkeyite, a cor-

rection. 662Grigor'ev, I . F. 371G r i m a l d i , F . S . . . . . . . . 6 7 2Gross, E. B., with Thompson,

M. E., and Ingram, B. Aber-nathyite, a new uraniummineral of tle metatorbernitegroup.. 82

Grovesite (Bannister, Hey, Smith) 164

Hiemstra, S A. An easy method to

obtain rc-ray diffraction pat-

terns of small amounts of ma-

terialHietanen, A. Kyanite, andalusite'

anal sillimanite in the schist

in Boehls Butte quadrangle,

Idaho.Holser, W. T. Hydrothermal alter-

ation of muscovite in steamgage-glasses

1 8 7

670

16+

5 1 9

I

799

966

Huang, W. T. Novacekite from theWichita Mountains. Okla-homa

Ilurlbut, C. S. Jr. Muscovite fromMetluen Township, Ontario

Hutton, C. O. Further data on thestilpnomelane mineral group

- Manganpyrosmalite, busta-mite, and ferroan johannsenitefrom Broken Hill, New South'Wales,

Australia.

608

Hydrogen uranospinite .Hydrohetaerolite, observations on

(McAndrew).Hydrous ferric oxides, natural, ap-

plication of ciifferential thermalanalysis to identification of(Kelly)

Hydroxyls, tetrahedral, commentson (McConnell) . .

Immersion liquids of high index ofrefraction, solvents and solutesfor the preparation of (Meyro-witz).

Inclusions, authigenic, origin of insynthetic crystals (Zerfoss,Slawson).

Inderite arrd gerstleyite from theKramer borate district, Kerncounty, California (Frondel,Morgan).

Index of Mineral Species and Vari-eties Arranged Chemically(Hey) (Book Review).

Index of refraction and specificgtavity, a new equation relat-ing (Allen). 2+5

Ingerson, E. (Book Reviews)368, 530,955Ingram, B., with Thompson, M. E.,

and Gross, E. B. Abernathyite,a new uranium mineral of themetatorbernite group 82

Insley, H., and Fr6chette, V. D.Microscopy of Ceramics andCements, Including Glasses,Slags and Foundry Sands(with a chapter on Abrasives,by H. N. Baumann, Jr.) (Book

INDEX TO VOLUME 41

892

598

Review). . 530Introduction to the Space Groups

(Terpstra) (Book Review) 808Isokite (Deans, McConnell) 167

Jackson, E D., and Ross, D. CA technique for modal analysesof medium- and coarse-grained(3-10 mm.) rocks 648

Jadeite-bearing metagraywackesin California (Bloxam). 488

Jaffe, H. W. Application of the ruleof Gladstone and Dale tominerals. 757

Evans, II. T. Jr., and Chap-man, R. W. Occurrence andage of chevkinite from theDevil's Slide fayalite-qu,aftzsyenite near Stark, NewHampshire.. 474

Jarosite, occurrence in underclays(Warshaw) 288

Jensen, D. E. My Hobby is collect-ing Rocks and Minerals (BookReview). . . 668

Johannsenite,ferroan(Hutton) 581

Kand i tes , Smect i tes (Brown) . . . . . 536Kaolins, Brazrlian, tubular mor-

phology of some (Visconti,Nicot, de Andrade) 67

Kaolins,residual, genesis of (Sand) 28Kazitsyn, Y. V. 163K-bentonite, mineralogy of the

Middle Devonian (Weaver). . 359Kelly, W. C. Application of differ-

ential thermal analysis to iden-tification of the natural hy-drous ferr ic oxides.. 353

Kentpter, C. P., and Alvarez-Tos-tado, C. Calculated atomicscattering factors for silicon at25" C. . 952

Kerr, P. E'. Presentation of theRoebling Medal to AlexanderNewton Winchell. . . 321

Knopf, A. (Book Review) 367Kohlhaas, R., and Otto, H. Rijnt-

genstrukturanalyse von Krist-allen, Eine Elementare Ein-

152

268

581959816

353

661

49

839

812

fiihrung (Book Review). 369Kohn, J. A. Twinning in diamond-

type struchrres: High-ordertwinning in silicon 778

Cotter, P G, and Potter,R. A. Synthesis of aluminumnitride monocrystals 355

and Levinson, A. A. Con-tamination of the characteristicr-radiation of copper by Fe,Cr, and Ni radiation 514

Komkov, A. L 67lK o n t a , J . . . . . 6 7 3Koufimskf, J. 168Kdzu, Shukusuk6, memorial of

( Y a g i ) . . . . . . . 5 9 2Kracek, F. C., with Donnay, G.,

and Rowland, W. R. Jr. Thechemical formula of empressite 7 22

Kramer, If., and Allen, R. D. A re-study of bakerite, priceite, andveatchite 689

Kraus, E. H. (Book Reviews)

Kiihn, R.

. 1 6 2 , 5 3 1 , 9 5 63 7 2

Kyanite, andalusite, and silliman-

ite in the schist in Boehls Buttequadrangle, Idaho (Hietanen)

La Genbse des Sols en tant que

Ph6nornbne G6ologique (Er-

hart ) (Book Review) . .

Labuntsovite (Semenov, Burova)

La Prospection de L'Uranium(Book Review)

Lattice constants of single crystals,precision determination using

the conventional Weissenbergcamera (Christ)

Lead meta-autunite, r-ray data

Ledikite (Brou'n) .

Lehrbuch der Mineralogie(Schmidt, Baier) (Book Re-

view)I-epp, H. Precision measurements

of the cell edge of syntheticpyrite. .

Lermontovite ..

Lesserite, a new borate mineral

@rondel, Morgan, Waugh) ..

INDEX TO VOLUME 4I

I

956163

812

569907536

162

.)+ /8 1 6

927

Leuchtenbergite,x-ray data. .' 907

Leverrierite (Schtiller, Grassman). . 673

Levin, E. M., McMurdie, H. F. ,

and Hall, F. P. Phase Dia-

grams for Ceramists (Book

Review) 667

Levinson, A. A., with Kohn, J. A

Contamination of the char-

acteristic ru-radiation of coP-

per by Fe, Cr, and Ni radiation 514

Limaite (Cotelo Neiva) . . 370

Lodochnikovi te (Nefedov) 672

Loewenstein, W. Boron in tetra-

hedra of borates and borosili-

cares 349

Logvinenko, L. V. . . . 960

Lyon, R. J. P. Anomalous fluores-

cence in torbernite from Rum

Jungle, N. T. , Austra l ia 789

MacDonald, G. J.F. ExPerimental

determination of calcite-arago-

nite equilibrium relations at

elevated temperatures and

pressures 74+MacKenzie, W. S., and Smith J. V'

The alkali feldsPars: III. Anoptical and x-ray study of hightemperature feldsPars 405

Magrret i te in chrysoti le, determirta-tion of (Shell) 351

Magnetite enclosed itr muscovite,notes on a six-raYed diffrac-tion star produced bY (Shaub'

Wrinch). 944Malhotra, P. D., and Prasada Rao,

G. H. S. V. On the comPositionof some Indian chromites 460

Mandarino, J. A. A new techniquefor micrometric analysis ofthin sections 786

Manganpyrosmalite, bustamite,and ferroan johannsenite fromBroken Hill, New South'Wales, Australia (Hutton) .. ' 581

Marble, John Putnam, memorialof (Foshag)

Mavudzite (Coelho).301164

McAadrew, J. Crystallography andcomposition of crednerite. . 276

967

968 TNDEX TO VOLUME 41

Observations on hydro-hetaerolite 268

370McAtee, J. L. Jr. Determination

of random interstratificationinmontmori l lonite. . . . . . 627

A modified sample holderfor the Norelco rotating speci-m e n d e v i c e . . . . . . . . . 9 4 2

McConnell, D. Comments on tetra-hedra l hydroxy ls . . . . . 661

An unusual palagonite tuff 153- (Book Reviews) . . 162,957NlcConnell, J. D. C.. 167McKinney, C. R., and Silver, L. T.

A joint-free sample spl i t ter.. 521McVay, T, N. Memorial of Alton

Gabriel. 297McVeagh, W. J., with Earley,

J. W,, Brindley, G. W., andVanden Heuvel, R. C. A regu-larly interstratifi ed montmoril-lonite-chlorite . .. 258

NlcMurdie, H. F., with Levin,E. M., and Hall , F. P. PhaseDiagrams for Ceramists (BookRev iew) . . . .

Nleijer, W. O. J. c.l \ l e i x n e r , H . . . . . .Metatyuyamunite, Ca(UOz)z(VOa)r

.3-5HzO, the occurrence andproperties of (Stern, Stiefr,Girhard, Meyrowitz)

Meyrowitz, R. Solvents and solutesfor the preparation of immer-sion liquids of high index of re-fraction. .

-, with F'rondel, C. Studies ofuranium minerals (XIX):Rutherfordine, diderichite,and clarkeite

with Stern, T. W., Stieff,L. R., and Girhard, M. N.The occurrence and propertiesof metaffuyamunite, Ca(UOz)z(VOr)z'3-5HzO 187

958

786

Micrometr ic analysis of th in sec-tions, new technique for (Man-

darino)

Microscopic Petrography (Hein-rich) (Book Review).

Microscopy of Ceramics and Ce-ments, Including Glasses,Slags and Foundry Sands(with a chapter on Abrasives,by H. N. Baumann, J..)(Insley, Fr6chette) (Book Re-view). .

Microstructures of Diamond Sur-faces (Tolansky) (Book Re-view). .

Midderigh-Bokhorst, B. Glansen Gloed Uit Donkere Diep-ten (Book Review)

Mikheevite : Gdrgeyite (Nefedov)(NIeixner).

Mi l ton, C. (Book Review)

Mineralogical Society of America,correspondents, fellows andmembers of

Mineralogical Society of America,proceedings of the thirty-sixthannual meeting at New Or-l e a n s , L o u i s i a n a . . . . . . . . . .

List of papers of specialmineralogical interest pre-sented at annual meeting . . . .

Mineralogical Society of AmericaAward, acceptance of (Gold-smith).

Mineralogical Society of AmericaAward, presentation to JuliaaRoyce Goldsmith (Fisher). . . .

Minerals for Atomic Energy (Nin-inger) (Book Review). . .

Minguzzite (Garavelli) .Mixed-layer clays, the distribution

and identification in sedimen-tary rocks (Weaver). . . . .

Miyashiro, A. Osumilite, anew sili-cate rnineral, and its crystalstnrcture.

Modal analyses of fine- and medi-um-grained (0.1-5 mm.) rocks,technique for (Plafker) .. .

Modal analyses of medium- andcoarse-grained (3-10 mm.)rocks, a technique for flackson,

809

530

667J J d

8 1 6

J J J

670

816668762

J / J

334

J IJ

J J I

329

95s370

202

104

652

187

49

t27

INDEX TO VOLUME 41 969

R o s s ) . . . . . .Moeller, C. K. .Moluranite.Montebrasite (amblygonite) .. ..Montmorillonite-chlorite, a regu-

larly interstratified (Earley,Brindley, McVeagh, VandenHeuvel)

Montmorillonite, determination ofrandom interstratification in(McAtee).

Montmorillonites, synthetic, a noteon some properties of (Roy,Sand) .

Morgan, V., with Frondel, C. In-derite and gerstleyite from theKramer borate district, KernCounty, California.

and Waugh, J. L. T. Les-serite, a new borate mineral

Morrill, P. New Hampshire Minesand Mineral Locations (BookReview)

Murata, K. J. (Book Review)Murray, E. G., with Stobbe, H. A

new occurrence of eucolite nearWausau, Marathon County,Wisonsin.

Murray, J. VI., and Dietrich, R. V.Brushite and taranakite fromPig Hole Cave, Giles County,Virginia

Muscovite from Methuen Town-ship, Ontario (Hurlbut) ... . .

Muscovite. hvdrothermal alterationin steam

NIy Hobby isNfineralsv iew). .

gage-glasses (Holser)

Collecting Rocks and(Jensen) (Book Re-

Neuerburg, G. J., with Hamilton'W. B. Olivine-sanidine trachy-basalt from the Sierra Nevada'California 851

N e w d a t a . . . . . . 5 3 7 , 6 7 2 , 9 5 9New Hampshire Mines and Miner-

al Locations (Morrill) (BookReview) 669

New Mineral names.163,370,536, 67 1 ,814, 958

H. Nicolatie-a newniobium silicate min-

6489598 1 6

i 1

258

5U5

627 Nickel, E.calcium

Nagy, 8., and F'aust, G. T. Ser-pentines: Natural mixtures ofchrysoti leandantigori te.. . . . 817

Natural hydrous ferric oxides, ap-plication of differential ther-al analysis to identification of(Kel ly). . . 353

Nefedov, E. l . .672,816Nekoite (Gard, Taylor) 958Nenadkevite. . 816

eral / d J

Nicolatie-a new calcium niobiumsil icate mineral (Nickel). . ' . . . 785

Nicot, B. N. F., wittr Visconti' T. S.arrd de Andrade, E. G. Tubu-lar morphology of some Bra-ziliankaolins .. 67

Nininger, R. D. Minerals for Atom-ic Energy (Book Review) . . 955

Noda, T., and Roy, R. OH-F ex-change in fluorine phlogoPite 929

N o l a n i t e ( R o b i n s o n ) . . . . . . . . 1 6 5Novacekite from the Wichita

Mountains,Oklahoma(Huang) 152

Olivine-sanidine trachybasalt fromthe Sierra Nevada, California(Hamilton, Neuerburg) . . . . . 851

Optic axial angles, a chart for meas-urement of (Tobi) .516' 593

Optic axial angles, a stereograPh-ic construction for determin-ing (Parker) 935

Or l i te . . 816Oscillating-heating r-ray diffrac-

tometer studies of claY miner-al dehydroxYlation (Weiss'Rowland). ll7

Osumilite, a new silicate mineral,and its crystal structure(Miyash i ro ) . . . . 104

Otto, H., with Kohlhaas, R. Ro,nt-genstrukturanalyse von Kris-tallen, Eine Elementare Ein-f th rung(BookRev iew) . . . 369

839

92?

669368

932

6 1 6

892

799

668

808672

Pabst, A. (Book Review)

970 INDEX TO VOLUME 41

Palache, Charles, memorial of(Frondel).

Palagonite tuff, an unusual (Mc-Connel l ) . . .

Paradamite (Switzer)

Paragonite in the schist of GlebeMountain, southern Vermont(Rosenfeld) . . . .

306

153958

144Paragonite, trigonat, from Camp-

bell and Franklin Counties,Virg in ia(Dietr ich) . . . 940

Parker, R. L. A stereographic con-struction for determining opt_ca x i a l a n g l e s . . . . 9 3 5

Parsonite, x-ray data 925Pau l y , H . . . 959Pearson, A. D. , and Buerger, M. J.

Confirmation of the crystals t r uc tu reo fpen t l and i t e . . . . 804

Penfield, Samuel Le'r'is, 1956-1906,a notable centenary in Ameri-can mineralogy (Fleischer) 139

Pentlandite, confirmation of thecrystal structure of (Pearson,Buerger) 804

Perdok, W. G., witl Hartman, P.An interpretation of the lav/ ofDonnay and Harker 419

Petrographic Mineralogy (Wahl-strom) (Book Review). . . 367

P e t r o v a , E . S . . . . . . . . . . . 8 1 5Phase Diagrams for Ceramists (Le-

vin, NlcMurdie, Hall) (BookReview) 607

Phosphuranylite, opt.ical and r-rayd a t a . . . 9 1 7

Plafker, G. A technique for modalanalyses of some fine- ar.rdmedium-grained (0.1-5 mm.)r o c k s . . . . 6 5 2

Plagioclase feldspars, variations inx-ray powder diffraction pat-terns of (Smith, Yoder). . . . 632

Potash feldspars, improved tech-niqrres for staining (Rosenblum) 662

Potter , R. A. , wi th Kohn, J. A. ,and Cotter, P. G. Synthesisof aluminum nitride mono-crystals 355

Praktische Edelsteinpri.ifing (Ep-

pler) (Book Review). 531Prasada Rao, G. H. S. V., and

Malhotra, P. D. On the com-position of some Indian chro-m i t e s . . . .

Priceite (Kramer. Al len )Priguinite

460689816

Prjevalskite .. 816Pseudolaueite (Strunz). 815Pyrite, synthetic, precision meas-

urements of the cell edge of(Lepp)

Quantitative differential thermalanalysis of clay and otherminerals (van der Marel) . . 222

Quantitative SpectrochemicalAnalysis of Silicates (Ahrens)( B o o k R e v i e w ) . . . . . . . 3 6 8

Quartz crystal, surface adsorptionof Cs137 ions on (Antkiw,

Waesche. Senftle). 363

Quartz crystals, synthet ic , incor-poration of impurities in(Stanley, Theokritoff) 527

Ramdohr, P. Die Erzmineralier-rund ihre Verwachsunger-r (Book

Review)

.t+ /

954164

Ramsdell, L. S. (Book Review) 669

Renardite, optical and x-ray data 921Report of the Committee on the

Measurement of GeologicTime. 1953-1954 (Book Re-

V iew) . . 531Residual kaolins, on the genesis of

( S a n d ) . . . . . 2 8Ribeirite (:Yttrian zircon) (Ta-

v o r a ) . . . . . . . 1 6 8Rimsky, A. 1 7 0Roach, C., with Thompson, X{. E.,

and Braddock, W. New Occur-rences of native selenium. . . 156

R o a c h , C . H . . . . . 9 5 8Robirrson, S. C. . . 165Roebling Medal, acceptance of

(Winchell). 326Roebling Medal, presentation to

Alexander Newton Winchell

INDEX TO VOLUME 41 97r

(Kerr) 321

Riintgenstrukturanalyse von Kris-tallen, Eine Elementare Ein-

fi.ihrung (Kohlhaas, Otto)(Bookreview) . . 369

Rose, H. Jr . , wi th Glass, J. J . ,Evans, H. T. Jr . , and Carron,M. K. Cerite from MountianPass, San Bernardino County,C a l i f o r n i a . . . . 6 6 5

Rosenblum, S. Improved tech-

niqnes for staining potash

feldspars 662Rosenfeld, J. L Paragonite in the

schist of Glebe Mountain,

Ross, D. C., with Jackson, E. D. Atechnique for modal analyses ofmedium- and coarse-grainecl

Ross, V. Studies of uranium miner-als (XXII): Synthetic calciumarld lead uranyl phosphateminerals.

Rowland, R. A., with'Weiss, E. J.Effect of heat on vermiculiteand mixed-layered vermiculitechlorite. 899

- Oscillating-heating r-raydiffractometer studies of claymineral dehydroxylat ion. . . . . 117

Rowland, W. R. Jr., with DonnayG., and Kracek, F'. C. Thechemical formula of empres-s i t e . . . 7 2 2

Roy, R., with Noda, T. OH-F ex-change in fluorine phlogopite 929

and Sand. L. B. A note onsome properties of syntheticm o n t m o r i l l o n i l e s . . . .

Sample holder, modified, for the

Norelco rotating specimen de-

vice (McAtee) 942

Sample splitter, a joint-free (Mc-

soulhern Vernront. . . 14+ Schmidt, W.,

K i n n e y , S i l v e r ) . . . . . .Sand, L. B, On the genesis of resid-

ual kaolins.with Ro1', R. A note on

some properties of sYnthetic

n ron tmor i l l on i t es . .

S a n d r 6 a , A . . . . . . . . . .

Saukov, A. A. Geochemie (Book

521

28

505170

8 1 1672J I L

and Baier, E. Lehr-

Mineralogie (BookI A )

Review)Sawyer, D. L.

Schaacke, I.

buch der

Review).

(3 -10 mm.) rocks . . . . . . . 648 Sch i i l l e r , A .S c h m i t t , M . . . . . . . . . 1 6 4

3 7 t , 6 7 3

70r370

Secondarlr uranium minerals(Chervet , Branche) . . . . 816

Selenium, native, new occurrences

of (Thompson, Roach, Brad-

c i o c k ) . . . . . . . 1 5 6

Semenov , E . L . . . 163

Senftle, F. E., with Antkiw, S., and

Waesche, H. Surface adsorP-

t iorr of Csr37 ions on quar lz

crystals 363

with Gottfried, D., and

Waring, C. L. Age determina-

tion of zircon crystals from

Ceylon. 157

Senstius, M. W. (Book Reveiws)670,956

Serpentines: Natural mixtures of

chrysotile and antigorite(Nagy, Faust). 817

Shaub, B. M., and Wrinch, D.

Notes on a six-raYed diffrac-

tion star produced by magne-

t i te enclosed in muscovi te. . . . 94+

Shell, H. R. Determination of mag-

netite in chrysotile. 351

Scott, A. D., IIanwaY, J. J.r mdStanford, G. Thermal studiesof ammonium fxation and re-

915 lease in certain minerals.Scott, ' f . R.

505163lludkin, A. W.

Rutherfordine (Frondel, Meyro-witz) . 127

Rutherfordine, observations on(Clark, Christ). . . . . 844

Sahama, T. G. Optical anomalies inarfvedsonite from Greenland 509

Sakharova, M. S.. . 814

972 INDEX TO VOLUME 41

Sherwood, A. M., with Stiefr, L. R.,arrd Stern, T, W. Coffaite, auranous silicate with hydroxylsubstitution: a new mineral . .

Shields, R., with Dennen, W. H.Yttria in zircon. .

Shubnikovite (Nefedov).. . .Silicon, calculated atomic scattering

factors at 25" C. (Kempter,Alvarez-Tostado). . .

Si l icon, high-order twinning in(Kohn) . . . .

Sillimanite (Hietanen).. . .Silver, L. T., with McKinney, C. R.

A joint-free sample splitter. . .Skinner, B. J. Physical properties

of end-members of tle garnetgroup. . .

Slawson, S. I., with Zerfoss, S.Origin of autligenic inclusionsin synthetic crystals.

Small-Angle Scattering of X-rays,(Guinier, Fournet) translatedby C. B. Walker (Book Re-v i e w ) .

Smect i tes (Brown) . . .Smith, J. C. Unit cell and space

598

534536

group of baryl i te.. . . 512Smith, J. R., and Yoder, II. S. Jr.

Variations in x-ray powder dif-fraction patterns of plagioclasef e l d s p a r s . . . . . . . . . . . . . . 6 3 2

Smith, J. V., with MacKenzie,W. S. The alkali feldspars:III. An optical and x-ray studyof high-temperature feldspars 405

S m i t h , W . C . . . . . . 1 6 +Smith, W. L,, and Cisney, E. A.

Bastnaesite, a:r accessory min-eral in the Redstone granitefrom Westerly, Rhode Island 76

S m y t h i t e ( E r d , E v a n s ) . . . . . 8 1 5Sod ium autun i te . . . . 816Southern Africa, A Geographical

Study: Volume I, PhysicalGeography (Wellington) (BookReview) 368

Stanford, G., with Scott, A. D.,and Hanway, J. J. Thermalstudies of ammonium fxation

and release in certain mineralsStanley, J. M. Hydrothermal

growth of aluminum arsenatecrystals.

and Theokritoff, S. Incor-poration of impurities in syn-t h e t i c q u a r t z c r y s t a l s . . . . . .

Starkeyite, a correction (Grawe). . .S t e i n e r , A . . . . . . . .Stern, T.'W., Stieff, L. R., Girhard,

M. N., and Meyrowitz, R, Theoccurrence and properties ofmetatyuyamunite, Ca(UOz)z(VOn)e'3-5HzO.

Stieff, L. R., Stern, T. W., andSherwood, A. M. Coff:rite, auranous silicate wit! hydroxylsubstitution: a new mineral

Stillwellite (McAndrew, Scott). . . .Stilpnomelane mineral group,

further data on (Ilutton). .Stobbe, H., and Murray, E. G. A

new occurrence of eucolite near'Wausau, Marathon County,

Wiscons in . . .Straumanis, M. E., andWeng, C. C.

The absorption a:rd refractioncorrections and the lattice con-stant of chromium.

Structure Reports for 1942-1944,Vol. 9 (Book Review)

70r

o / J 947

J Z I

662L66

669

655o /. t

952

7781

521

428

r87

675s70

608

932

437

S t r u n z , H . . . . 8 1 5Sumin , N. G. . . . 537S w i t z e r , G . . . . . . . 6 7 2 , 9 5 8

Taranakite (Murray, Dietrich) 616Tavora, E.. 168T a y l o r , H . F . W . . . . . . . 9 5 8Terpstra, P. Introduction to the

Space Groups (Book Review) 808Theokritoff, S., with Stanley, J. M.

Incorporation of impuritiesin synthetic quartz crystals. . 527

Thin sections, a new technique formicrometric anall,sis of (Man-darino) .

Thompson, M. E., Ingram, B., andGross, E. B. Abernathyite, anew uranium mineral of themetatorbernite group. 82

786

INDEX TO VOLUME 41 973

Roach, C., and Braddock,W. New occurrences of nativeselenium.

Visconti, Y. S., Nicot, B. N. F.' andde Andrade, E. G. Tubularmorphology of some Braziliankaolins

Vladimirite (Nefedov) 673V o l b o r t h , A . . . . . . . . . . . . . 3 7 1Volkovite (Nefedov) 673

Waesche, H., with Antkiw, S., andSenftle, F. E. Surface adsorp-tion of Csr37 ions on quartzcrystals. 363

Wahlstrom, E. E. PetrographicMineralogy (Book Review). . . 367

Wairakite (Steiner) 166Wakromejev, S. A Erzmikroskopie

( B o o k R e v i e w ) . . . . . 9 5 4Wallace, Robert Charles, memorial

o f ( H a w l e y ) . . . . . . . . 3 1 5\,Valtherite (:Walpurgite) (Fisher) 960Waring, C. L., with Gottfried, D.,

and Senftle, F. E. Age deter-mination of zircon crystalsf r o m C e y l o n . . . . . . . . . 1 5 7

Warshaw, C. M. Occurrence ofjarosite in underclays .... . . . 288

Waugh, J.L. T., with Frondel, C.'and Morgan, V. Lesserite, an e w b o r a t e m i n e r a l . . . . . . . 9 2 7

Weaver, C. E. The distribution andidentification of mixed-layerclays in sedimentary rocks.. . 202

- Mineralogy of the MiddleDevonian Tioga K-bentonite 359

with Bradley, W. F. Aregularly interstratified chlo-rite-vermiculite clay mineral . 497

Weibel, M. Amblygonite, cassiter-ite, and associated mineralsfrom Cdceres, western Spain. 4l

Weiss, E. J., and Rowland, R. A.Efiect of heat on vermiculiteand mixed-layered vermicu-lite-chlorite .. 899

- Oscillating-heating x-raydiffractometer studies of claymineral dehydroxYlation . ... 117

Wellington, J. H. Southern AfricaA Geographical Study: VolumeI, Physical Geography (Book

156958 67

Tobi, A. C. A chart for measure-ment of optic axial angles. .516, 953

Tolansky, S. The Microstructuresof Diamond Surfaces (BookReview) 533

Tolun. R.. 671Torbernite from Rum Jungle, N. T.

Australia, anomalous fluores-cence in (Lyon). 789

Travis, R. B. Note on large cor-dierite porphyroblasts, Fre-mont County , Co lorado. . . . . . 796

Trogtal i te(Ramdohr,Schmitt). . . 164T u E e k , K . . . . . . . 1 6 8Tuhualite (Hutton) 959Twinning in diamond-type struc-

tures: High-ortler twinning insilicon (Kohn) 778

Twinning and pseudo-twinning indetrital quartz veins, note on(Borg). 792

Uranium minerals, studies of(XIX): Rutherfordine, dideri-chite, and clarkeite @rondel,Meyrowitz).

(XXII): Synthetic calcium and leaduranyl phosphate minerals@oss).

Ustarasite (Sakharova)

Vanden Heuvel, R. C., with Earley,J. W., Brirdley, G. W., andMcVeagh, W. J. A regularlyinterstratifi ed montmorillonite-chlorite.

van der Marel, If. W. Quantitativedifferential thermal analysisof clay and otler minerals. . .

Viiyrynenite (Volborth) .Veatchite (Kramer, Al len).. . . . . . ."Vegard's lar.v," validity of (Zen)Vermiculite and mixed-layered

vermiculite-chlorite, efiect ofheat on (Weiss, Rowland). .. .

Villanova, A. C...

r27

9 1 5814

258

222J / I

689523

899o /

974 INDEX TO VOLUME 11

Review)Weng, C. C., with Str""-u"it,

M, E. The absorption and re-fraction corrections and thelattice constant of chromium.

Whi t t ie , A . W. G. .'Wilkinson, J. F. G. Clinop5rroxenes

of alkali olivine-basalt magmaWinchell, A. N. Acceptance of the

R o e b l i n g M e d a l . . . . . . .W o h l m a n n , E . . . .Wolff, G. A. Faces and habits of

diamond type crystals.Wollastorrite, x-ray dataWrinch, D., with Shaub, B. M.

Notes on a six-rayed diffractionstar produced by magnetite en-closed in muscovite . . .

X-ray spectrometer, curved-crystal, a mineralogical tool( A d l e r , A x e l r o d ) . . . . . 5 2 4

Yagi, K. Memorial of Shukusuk6K6zu 592

Yoder, H. S. Jr., with Smiti, J. R,Variations in x-ray powder dif-fraction patterns of plagioclasefeldspars 632

Yttria in zircon (Dennen, Shields) 65-<

Zen, E. Validity of "Vegard's law" 523Zerfoss, S., and Slawson, S. I. Ori-

gin of authigenic inclusions insynthetic crystals. . 598

Zircon crystals from Ceylon, agedeterminatior-r of (Gottfried,Senftle, Waring) 157

Zussman, J. Ar-rtigorite: Superlat-tice and structural formula. . . 148

368

+ J t

166

l L +

326371

60588

944

X-ray diffraction patterns of smallanounts of material, an easymethod to obtain (Hiemstra). 519