TNDEX TO VOLUI\{E 41

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

Abernathyite, a new uranium min- certain minerals, thermal stud- eral of the metatorbernite ies of (Scott, Hanway, Stan- group (Thompson, Ingram, ford). . 701 Gross). 82 Amor, I. A. 165 Absire(Whitrie) 166 Andalusite (Hietanen) 1 Adler, I., and Axelrod, J. NI. The Antkiw, S., Waesche, H., and curved-crystal r-ray spectrom- Senftle,F. E. Surfaceadsorp- eter,a mineralogicaltool. . . . . 524 tion of Csr37ions on qlrartz Ahrens, L. H. Quantitative Spec- crystals. 363 trochemical Analysis of Sili- Antigorite (Brindley) . t.)r cates (Book Review) 368 Antigorite: Superlattice and struc- Alexander,L. E. (Book Review). JJ+ tural formula (Zussman). . 148 Alkali feldspars: III. An optical and Arfvedsonite from Greenland, opti- x-ray study of high-tempera- cal anomalies in (Sahama). . . . 509 ture feldspars (MacKenzie, Augelite 4J Smitl). 405 Axelrod, J. M., with Adler, I. The Allen, R. D. A new equation relat- curved-crystal r-ray spectrom- ing intlex of refraction and eter,a mineralogicaltool.... . s2+ specific gravity . 2+5 672 with Kramer, H, A restudy of bakerite, priceite, and Baier, E., with Schmidt, W. Lehr- veatchite. 689 buch der Mineralogie (Book Allevardite, a swelling double- Review) 162 layer mica (Brindley) . 91 Bakerite, priceite, and veatchite, a Alluaudite (Nov.-Dec. 1955issue), reshrdy of (Kramer, Allen). . . . 689 correctionsto. .. . . 366 Bannister,F. 4.. . 164 Aluminum arsenate crystals, hy- Barium phosphuranylite, optical drothermal growth of (Stan- and rc-raydata... 919 lev)..... 947 Barylite, unit cell and spacegroup Aluminum nitride molocrystals, of (Smith). 512 synthesis of (Kohn, Cotter, Bastnaesite, an accessory mineral Potter).. JJJ in the Redstone granite from Alushite: dickitef hydrous mica Westerly, Rhode Island (Logvinenko,Frank- Kamenet- (Smith, Cisney). /o skii). . . Bayerite (Gedeon).. . 959 Alvarez-Tostado, C., with Kemp- Beta-Roselite(Frondel). JJ/ ter, C. P. Calculated atomic Betekhtinite (Schi.iller,Wohlmann) J/l scattering factors for silicon at Biotite, Chemicalanalysis. 25"C.. 952 Bismuth jamesonite(Sakharova) . . 814 Alvarolite (:Mangantantalite) Blinkoff's compound, optical and (Tavora). 168 x-ray dalz 919 Amblygonite, cassiterite, arrd as- Bloxam, T, W. Jadeite-bearing sociated minerals from C6- metagraywackes in California 488 ceres, western Spain (Weibel) 41 Blggildite (Pauly) 959 Ammonium fxation and release in Borg, I. Note on twinning and

961 962 INDEX TO VOLUME 41

pseudo-twinning in detrital a noteon (Ellis,Fyfe) . . . 805 grains. 792 Canbyite(:Hisingerite)(Bowie).. 816 Bornhardtite (Ramdohr, Schmitt) 164 Cardosonite(Amor) 165 Bornite from S. Australia (Nov.- Carron, M. K., with Glass,J. J. Dec. issue) corrections to . .. 168 Evans,H. T. Jr., and Rose,H. Boron in tetrahedra of borates and Jr. Ceritefrom Mountain Pass, borosilicates(Loewenstein)... 349 San Bernardino Countv, Cali- Bowie, S. H. U.. . 816 fornia. 665 Braddock, W., with Thompson, Cassiterite(Weibel). 41 M. E., and Roach, C. New Cerite from Mountain Pass, San rq occurrences of native selenium 156 BernardinoCounty, California Bradley, W. F., and Weaver, C. E. (Glass, Evans, Carron, Rose) 665 A regularly interstratified Chapman,C. A. (Book Review). . . 809 chlorite-vermiculite clay min- Chapman,R.'W., with Jaffe, H. W., eral... +97 and Evans, H. T. Jr. Occur- Branche,G.. .. 816 rence and age of chevkinite Brazrlian kaolins, tubular mor- from the Devil's Slide fayalite- phology of some (Visconti, quartz syenite near Stark, New Nicot,de Andrade)...... 67 Hampshire.. . 474 Brindley, G. W. Allevardite, a Chervet,J.. . . 816 swelling double-layer mica Chevkinite from tle Devil's Slide mineral. 91 fayalite-quartz syeflite near Antigorite 151 Stark, New Hampshire, oc- with Earley, J. W., Mc- currence and age of (Jaffe, Veagh, W. J., and Vanden Evans,Chapman)... At7 | Ileuvel, R. C. A regularly Childrenite(optical data) 45 interstratified montrnorillo- Chlorite species, x-ray identi:frca- trite-chlorite...... 258 tion of (Brindley, Gillery). . 169 and Gillery, F. II. X-ray Chlorite-vermiculite clay mineral, a identification of chlorite regularly interstratitred (Brad- species. 169 ley, Weaver). 497 Brown,G.. .. 536 Christ, C. L. Precision determina- Brushite and taraaakite from Pig tion of lattice coflstants of Hole Cave, Giles County, single crystals using the con- Virginia (Murray, Dietrich). . . 616 ventional Weissenberg camera 569 Buerger,M. J., with Pearson,A. D. with Clark, J. R. Observa- Confirmation of the crystal tions on rutherfordine...... u4 structureof pentlandite...... 804 (Book Review).. . 369 Burova,T. A.. . 163 Chromites, Indian, on the com- Bursaite (Tolun) 671 positiofl of some (Malhotrat Buryanova,E. Z. 671 PrasadaRao)...... 460 Bustamite (Hutton) , 581 Chromium lattice constant ; absorp- tion and refraction corrections Calciborite(Petrova) 815 (Straumanis, Weng). 4s7 -aragonite equilibrium re- Chrysotile, determination of mag- lations at elevated tempera- netite in (Shell) . 351 tures and pressures, experi- Chudoba,K. F., and Giibelin, E. J. mental determination of Echt oder Synthetisch?(Book (MacDonald). 744 Review) 955 Calcite-wollastonite equilibrium, Cisney, E. A., with Smith, W. L. INDEX TO VOLUME 41 963

Bastnaesite, an accessorymin- de Andrade, E. G., with Visconti' eral in the Redstone granite Y, S., and Nicot, B. N. F. from Westerly, Rhode Island 76 Tubular morphology of some Clark, J, R., and Christ, C. L. Brazilian kaolins 67 Observations on rutlerfordine 844 Deans,T.. 167 Clarkeite (Frondel, Meyrowitz). . . 127 Dehydroxylation, clay mineral, os- Clay mineral dehydroxylation, os- cillating-heating x-ray dif- cillating-heating x-ray diff rac- fractometer studies of (Weiss, tometer studies of ('Weiss, Rowland) 117 Rowland) lI7 Dennen, W. H., and Shields, R' Claysand Clay Minerals (Milligan, Yttria in zircon . 655 editor) (Book Review) 956 Denning, R. M. (Book Review) JJJ Clays and Clay Minerals (Swine- Descriptive Glossary of Radioac- ford and Plummer, editors) tive Minerals (Crosby) (Book (Book Review) i62 Review) 532 Clinopyroxenes of alkali olivine- " Dewindtite" 92r basalt magma (Wilkinson). 724 Diamond type crystals, faces and selenide,unnamed (Ram- habits of (Wolfr) 60 dohr, Schmitt) 16+ Diamond type structures, twinning Coelho,A. v. P. 161 in (Kohn) 778 Coffnite, a uranous silicate with Diderichite (Frondel, Meyerowitz) 127 hydroxyl substitution: a new Die Bergwirtschaft der Erde (Fried- mineral (Stieff, Stern, Sher- ensburg) (Book Review) . ' 669 wood) 675 Die Erzmineralien und ihre Ver- Cohen, A. J. Color centers in the wachsungen(Ramdohr) (Book a-quartz called amethyst 87+ Review) 954 Color centers in the a-quartz called Dietrich, R. V., with MurraY' J. W. ametlyst (Cohen) 874 Brushite and taranakite from Contaminationof the characteristic Pig Hole Cave, Giles CountY' r-radiation of copper by Fe, Virginia 616 Cr, and Ni radiation (Kohn, Trigonal paragonite from Levinson) 511 Campbelland Franklin Coun- Cordierite porphyroblasts, large, ties, Virginia 940 Fremont County, Colorado, Dillnite(Konta).. 673 note on (Travis) 796 Discreditedminerals. 168.538, 816, 960 Cotelo Neiva, J. M 370 Dolomanova,I.. 371 Cotter, P. G., with Kohn, J. A., Donnay a:rd Harker, an interPreta- and Potter, R. A. Synthesis tion of tle law of (Hartman, of aluminum nitride mono- Perdok) .. 449 crystals 35s Donnay, G., Kracek, F. C., and Crednerite, crystallography and Rowland, W. R. Jr. The composition of (McAndrew). . 276 ihemical formula of empres- Crosby, J. W. III. A Descriptive site 722 Glossary of Radioactive Min- Dumontite, optical and lc-ray als 532 data 921 Cs13?ions, surface adsorption on Duttonite (Thompson, Roach, quartz crystals (Antkiw, Meyrolr itz) 958 Waesche, Senftle) .t o.t 'W., Curtisite ( : Idrialite) (Tu dek, Earley, J. Brindley, G. W'' Kouiimskf) 168 McVeagh, W. J., and Vanden 964 TNDEX TO VOLUME 11

Heuvel, R. C. A regularly in- Fisher, D. J. Presentation of The terstratified montmorillonite- Mineralogical Society of chlorite 258 America Award to Julian Echt oder Synthetisch (Chudoba, Royce Goldsmith. . . 329 Giibelin) (Book Review) 955 Fisher,E. .538, 960 Edwards, A. B. Hypogene goethite Fleischer,M. A notable centenary at Peko Mine, N. T., Australia 657 in An'rericanmineralogy: Sam- Ellis, A. J., and Fyfe, W. S. A note uel Lewis Penfield,1856-1906 139 on the calcite-wollastonite Fluorine phlogopite, OH-F ex- equilibrium 805 changein (Noda, Roy) 929 Empressite, the chemical formula Foshag, W, F, Memorial of John of (Donnay, Kracek, Row- Putnam Marble 301 land) 722 Foster,W. F. (Book Review) 667 Eppler, W. F. Praktische Edel- Fournet, G., with Guinier, A. steinpriifing (Book Review) . .

Garnet group, physical properties Giibelin,E. J., with Chudoba,K. F. of end-members of (Skinner) 428 Echt oder Synthetisch?(Book Garrelsite(Milton, Axelrod, Grim- Review) 955 aldi).. . 672 Guinier,A., and Fournet, G. Small- Gearksite (Grivor'ev, Dolomano- Angle Scattering of X-rays, va) .)/l translated by C. B. Walker Gedeon,T. G.. 959 (Book Review). . 534 Geochemie (Saukov) (Book Re- Gummite, mineral composition of view).. 811 (tr'rondel). 539 Geology of Southern California (Jahns,editor) (Book Review) 813 Hall, F. P., with Levin, E. M., Gerstleyite (Frondel, Morgan) 839 and McMurdie, H. F. Phase Gillery, tr'. H., with Brintlley, G. W. Diagramsfor Ceramists(Book X*ray identitrcation of chlorite Review). . 667 species.. . 169 Hamilton, W. B., and Neuerburg, Girhard, M. N., with Stern, T. W., G. J. Olivine-sanidine trachY- Stieff, L. R., and Meyrowitz, basalt from the Sierra Nevada, R. The occurrence and prop- California. 851 erties of metatyuyamudte, Ilanway, J. J., with Scott, A. D., Ca(UOz)z(VOa)z'3-5HzO 187 and Stanford, G. Thermal Gladstone and Dale rule, applica- studies of ammonium fixation tion to minerals (Jatre) and releasein certain minerals 701 Glans en Gloed Uit Donkere Diep- Hartman, P., and Perdok' W. G. ten (Midderigh-Bokhorst)(Book An interpretation of the law of Review). . . 670 Donnayandflarker 449 Glass,J. J., Evans,H. T. Jr., Car- Hastite (Ramdohr,Schmitt) 164 ron, M. K., and Rose,H. Jr. Hawley, J. E. Memorial of Robert Cerite from Mountain Pass, Charles W'allace. .) l.) San Bernardino County, Cali- Heide, F. JIL fornia...... 665 Heinrich, E. W. Microscopic Goethite,hypogene, at Peko Mine, Petrography (Book Review). . 809 N. T., Australia (Edwards) 657 - (Book Reviews) Goldsmitlt, J. R. Acceptanceof The 531,532, 669, 8rr,812, 813, 954, 955 Mineralogical Society of Hey, M. H. The empirical unit cell America Award . 331 contents of the friedelite family 131 Gottfried, D., Senftle, F. E., and ___-An Index of Mineral Species Waring, C. L. Age determina- and VarietiesArranged Chemi- tion of zircon crystals from cally (Book Review).. 812 Ceylon...... 157 16+ Grassmann,H.. 673 Hiemstra, S A. An easy method to Grawe, O. R. Starkeyite, a cor- obtain rc-ray diffraction pat- rection. 662 terns of small amounts of ma- Grigor'ev,I. F. 371 terial 519 Grimaldi,F. S...... 672 Hietanen, A. Kyanite, andalusite' Gross, E. B., with Thompson, anal sillimanite in the schist M. E., and Ingram, B. Aber- in Boehls Butte quadrangle, nathyite, a new uranium Idaho. I mineral of tle metatorbernite Holser, W. T. Hydrothermal alter- group.. 82 ation of muscovite in steam Grovesite(Bannister, Hey, Smith) 164 gage-glasses 799 966 INDEX TO VOLUME 41

Huang, W. T. Novacekite from the Review). . 530 Wichita Mountains. Okla- Introduction to the SpaceGroups homa 152 (Terpstra) (Book Review) 808 Ilurlbut, C. S. Jr. Muscovite from Isokite (Deans,McConnell) 167 Metluen Township, Ontario 892 Hutton, C. O. Further data on the Jackson,E D., and Ross,D. C stilpnomelane mineral group 608 A techniquefor modalanalyses - Manganpyrosmalite, busta- of medium- and coarse-grained mite, and ferroan johannsenite (3-10 mm.) rocks 648 from Broken Hill, New South metagraywackes 'Wales, Jadeite-bearing Australia. 581 in California (Bloxam). 488 959 Jaffe, H. W. Application of the rule Hydrogen uranospinite. 816 of Gladstone and Dale to Hydrohetaerolite, observationson minerals. 757 (McAndrew). 268 Evans, II. T. Jr., and Chap- Hydrous ferric oxides,natural, ap- man, R. W. Occurrence and plication of ciifferential thermal age of chevkinite from the analysis to identification of Devil's Slide fayalite-qu,aftz (Kelly) 353 syenite near Stark, New Hydroxyls, tetrahedral, comments Hampshire.. 474 on (McConnell).. 661 Jarosite, occurrence in underclays (Warshaw) 288 Immersion liquids of high index of Jensen,D. E. My Hobby is collect- refraction, solvents and solutes ing Rocksand Minerals (Book for the preparation of (Meyro- Review). . . 668 witz). 49 Johannsenite,ferroan(Hutton) 581 Inclusions, authigenic, origin of in synthetic crystals (Zerfoss, Kandites,Smectites (Brown)..... 536 Slawson). 598 Kaolins, Brazrlian, tubular mor- Inderite arrd gerstleyite from the phology of some (Visconti, Kramer borate district, Kern Nicot, de Andrade) 67 county, California (Frondel, Kaolins,residual, genesisof (Sand) 28 Morgan). 839 Kazitsyn, Y. V. 163 Index of Mineral Speciesand Vari- K-bentonite, mineralogy of the eties Arranged Chemically Middle Devonian (Weaver). . 359 (Hey) (Book Review). 812 Kelly, W. C. Application of differ- Index of refraction and specific ential thermal analysisto iden- gtavity, a new equation relat- tification of the natural hy- ing (Allen). 2+5 drousferric oxides.. 353 Ingerson,E. (Book Reviews)368,530,955 Kentpter, C. P., and Alvarez-Tos- Ingram, B., with Thompson, M. E., tado, C. Calculated atomic and Gross, E. B. Abernathyite, scatteringfactors for siliconat a new uranium mineral of the 25"C.. 952 metatorbernite group 82 Kerr, P. E'. Presentation of the Insley, H., and Fr6chette, V. D. Roebling Medal to Alexander Microscopy of Ceramics and Newton Winchell. . . 321 Cements, Including Glasses, Knopf, A. (Book Review) 367 Slags and Foundry Sands Kohlhaas, R., and Otto, H. Rijnt- (with a chapter on Abrasives, genstrukturanalysevon Krist- by H. N. Baumann,Jr.) (Book allen, Eine Elementare Ein- INDEX TO VOLUME 4I 967

fiihrung (Book Review). 369 Leuchtenbergite,x-ray data. .' 907 Kohn, J. A. Twinning in diamond- Leverrierite (Schtiller, Grassman). . 673 type struchrres: High-order Levin, E. M., McMurdie, H. F., twinning in silicon 778 and Hall, F. P. Phase Dia- Cotter, P G, and Potter, grams for Ceramists (Book R. A. Synthesisof aluminum Review) 667 nitride monocrystals 355 Levinson, A. A., with Kohn, J. A and Levinson,A. A. Con- Contamination of the char- tamination of the characteristic acteristic ru-radiation of coP- r-radiation of copper by Fe, per by Fe, Cr, and Ni radiation 514 Cr, and Ni radiation 514 Limaite (Cotelo Neiva) . . 370 Komkov, A. L 67l Lodochnikovite (Nefedov) 672 Konta,J..... 673 Loewenstein, W. Boron in tetra- Koufimskf, J. 168 hedra of borates and borosili- Kdzu, Shukusuk6, memorial of cares 349 (Yagi)...... 592 Logvinenko, L. V. .. . 960 Kracek, F. C., with Donnay, G., Lyon, R. J. P. Anomalous fluores- and Rowland, W. R. Jr. The cence in torbernite from Rum chemical formula of empressite 722 Jungle, N. T., Australia 789 Kramer, If., and Allen, R. D. A re- study of bakerite, priceite, and MacDonald, G. J.F. ExPerimental veatchite 689 determination of calcite-arago- Kraus, E. H. (Book Reviews) nite equilibrium relations at .162,531,956 elevated temperatures and Kiihn, R. 372 pressures 74+ Kyanite, andalusite, and silliman- MacKenzie,W. S., and Smith J. V' ite in the schist in Boehls Butte The alkali feldsPars: III. An quadrangle, Idaho (Hietanen) I optical and x-ray study of high temperature feldsPars 405 La Genbse des Sols en tant que Magrretitein chrysotile,determirta- Ph6nornbne G6ologique (Er- tion of (Shell) 351 hart) (Book Review) . . 956 encloseditr muscovite, Labuntsovite (Semenov, Burova) 163 notes on a six-raYeddiffrac- La Prospection de L'Uranium tion star producedbY (Shaub' (Book Review) 812 Wrinch). 944 Lattice constants of single crystals, Malhotra, P. D., and PrasadaRao, precision determination using G. H. S. V. On the comPosition the conventional Weissenberg of some Indian chromites 460 camera (Christ) 569 Mandarino, J. A. A new technique Lead meta-autunite, r-ray data 907 for micrometric analysis of Ledikite (Brou'n) . 536 thin sections 786 Lehrbuch der Mineralogie Manganpyrosmalite, bustamite, (Schmidt, Baier) (Book Re- and ferroan johannsenite from 162 Broken Hill, New South view) 'Wales, I-epp, H. Precision measurements Australia (Hutton) .. ' 581 of the cell edge of synthetic Marble, John Putnam, memorial pyrite. . .)+/ of (Foshag) 301 Lermontovite .. 816 Mavudzite (Coelho). 164 Lesserite, a new borate mineral McAadrew, J. Crystallography and 276 @rondel, Morgan, Waugh) .. 927 compositionof crednerite. . 968 TNDEX TO VOLUME 41

Observations on hydro- Microscopic Petrography (Hein- hetaerolite 268 rich) (Book Review). 809 370 Microscopy of Ceramics and Ce- McAtee, J. L. Jr. Determination ments, Including Glasses, of random interstratification Slags and Foundry Sands inmontmorillonite...... 627 (with a chapter on Abrasives, A modified sample holder by H. N. Baumann, J..) for the Norelco rotating speci- (Insley, Fr6chette) (Book Re- mendevice...... 942 view). . 530 McConnell,D. Commentson tetra- Microstructures of Diamond Sur- hedralhydroxyls..... 661 faces (Tolansky) (Book Re-

An unusual palagonitetuff 153 view). . JJJ - (Book Reviews). . 162,957 Midderigh-Bokhorst, B. Glans NlcConnell,J. D. C.. 167 en Gloed Uit Donkere Diep- McKinney, C. R., and Silver, L. T. ten (Book Review) 670 A joint-freesample splitter.. 521 Mikheevite : Gdrgeyite (Nefedov) McVay, T, N. Memorial of Alton (NIeixner). 816 Gabriel. 297 Milton, C. (Book Review) 668 McVeagh, W. J., with Earley, 762 J. W,, Brindley, G. W., and Mineralogical Society of America, Vanden Heuvel, R. C. A regu- correspondents, fellows and larly interstratifi ed montmoril- membersof J/J lonite-chlorite . .. 258 Mineralogical Society of America, NlcMurdie, H. F., with Levin, proceedings of the thirty-sixth E. M., and Hall, F. P. Phase annual meeting at New Or- Diagrams for Ceramists (Book leans,Louisiana...... 334 Review).. . . 667 List of papers of special Nleijer, W. O. J. c. JJd mineralogical interest pre- l\leixner,H...... 816 sentedat annualmeeting . . . . JIJ Metatyuyamunite, Ca(UOz)z(VOa)r Mineralogical Society of America .3-5HzO, the occurrence and Award, acceptance of (Gold-

properties of (Stern, Stiefr, smith). JJI Girhard, Meyrowitz) 187 Mineralogical Society of America Meyrowitz, R. Solvents and solutes Award, presentation to Juliaa for the preparation of immer- Royce Goldsmith (Fisher). . . . 329 sion liquids of high index of re- Minerals for Atomic Energy (Nin- fraction. . 49 inger)(Book Review).. . 95s -, with F'rondel, C. Studies of Minguzzite (Garavelli). 370 uranium minerals (XIX): Mixed-layer clays, the distribution Rutherfordine, diderichite, and identification in sedimen- and clarkeite t27 tary rocks (Weaver). . . . . 202 with Stern, T. W., Stieff, Miyashiro, A. Osumilite, anew sili- L. R., and Girhard, M. N. cate rnineral, and its crystal The occurrence and properties stnrcture. 104 of metaffuyamunite, Ca(UOz)z Modal analyses of fine- and medi- (VOr)z'3-5HzO 187 um-grained(0.1-5 mm.) rocks, 958 techniquefor (Plafker) .. . 652 Micrometric analysis of thin sec- Modal analyses of medium- and tions, new technique for (Man- coarse-grained (3-10 mm.) darino) 786 rocks,a techniquefor flackson, INDEX TO VOLUME 41 969

Ross)...... 648 Neuerburg, G. J., with Hamilton' Moeller, C. K. . 959 W. B. Olivine-sanidine trachy- Moluranite. 816 basalt from the Sierra Nevada' Montebrasite(amblygonite) .. .. i1 California 851 Montmorillonite-chlorite, a regu- Newdata...... 537,672,959 larly interstratified (Earley, New HampshireMines and Miner- Brindley, McVeagh, Vanden al Locations (Morrill) (Book Heuvel) 258 Review) 669 Montmorillonite, determination of New Mineral names random interstratification in .163,370,536,67 1,814, 958 (McAtee). 627 Nickel, E. H. Nicolatie-a new Montmorillonites,synthetic, a note niobium silicate min- on some properties of (Roy, eral /dJ Sand) . 5U5 Nicolatie-a new calcium niobium Morgan, V., with Frondel, C. In- silicatemineral (Nickel).. '... 785 derite and gerstleyite from the Nicot, B. N. F., wittr Visconti' T. S. Kramer borate district, Kern arrd de Andrade, E. G. Tubu- County, California. 839 lar morphology of some Bra- and Waugh, J. L. T. Les- ziliankaolins .. 67 serite, a new borate mineral 92? Nininger, R. D. Mineralsfor Atom- Morrill, P. New Hampshire Mines ic Energy (Book Review). . 955 and Mineral Locations (Book Noda, T., and Roy, R. OH-F ex- Review) 669 change in fluorine phlogoPite 929 Murata, K. J. (Book Review) 368 Nolanite(Robinson)...... 165 Murray, E. G., with Stobbe, H. A Novacekite from the Wichita newoccurrence of eucolitenear Mountains,Oklahoma(Huang) 152 Wausau, Marathon County, Wisonsin. 932 Olivine-sanidine trachybasalt from Murray, J. VI., and Dietrich, R. V. the Sierra Nevada, California Brushite and taranakite from (Hamilton, Neuerburg) . . . . . 851 Pig Hole Cave, Giles County, Optic axial angles,a chart for meas- Virginia 616 urement of (Tobi) .516' 593 Muscovite from Methuen Town- Optic axial angles,a stereograPh- ship, Ontario (Hurlbut) ... . . 892 ic construction for determin- Muscovite. hvdrothermal alteration ing (Parker) 935 in steam gage-glasses (Holser) 799 Orlite.. 816 NIy Hobby is Collecting Rocks and Oscillating-heating r-ray diffrac- Nfinerals (Jensen) (Book Re- tometer studies of claY miner- view). . 668 al dehydroxYlation (Weiss' Rowland). ll7 Nagy, 8., and F'aust, G. T. Ser- Osumilite, a new silicate mineral, pentines: Natural mixtures of and its chrysotileandantigorite..... 817 (Miyashiro).... 104 Natural hydrous ferric oxides, ap- Otto, H., with Kohlhaas, R. Ro,nt- plication of differential ther- genstrukturanalyse von Kris- al analysisto identification of tallen, Eine Elementare Ein- (Kelly). . . 353 fthrung(BookReview). . . 369 Nefedov,E. l. .672,816 Nekoite (Gard, Taylor) 958 Pabst, A. (Book Review) 808 Nenadkevite. . 816 672 970 INDEX TO VOLUME 41

Palache, Charles, memorial of pler) (Book Review). 531 (Frondel). 306 Prasada Rao, G. H. S. V., and Palagonite tuff, an unusual (Mc- Malhotra, P. D. On the com- Connell). . . 153 position of some Indian chro- Paradamite (Switzer) 958 mites .... 460 Paragonite in the schist of Glebe Priceite(Kramer. Allen ) 689 Mountain, southern Vermont Priguinite 816 (Rosenfeld).. . . 144 Prjevalskite .. 816 Paragonite, trigonat, from Camp- Pseudolaueite(Strunz). 815 bell and Franklin Counties, Pyrite, synthetic, precision meas- Virginia(Dietrich). .. 940 urements of the cell edge of Parker, R. L. A stereographic con- (Lepp) .t+ / struction for determining opt_c axialangles.... 935 Quantitative differential thermal Parsonite, x-ray data 925 analysis of clay and other Pauly, H. .. 959 minerals (van der Marel) . . 222 Pearson,A. D., and Buerger, M. J. Quantitative Spectrochemical Confirmation of the crystal Analysis of Silicates (Ahrens) structureofpentlandite.... 804 (BookReview) ...... 368 Penfield, Samuel Le'r'is, 1956-1906, Quartz crystal, surface adsorption a notable centenary in Ameri- of Cs137 ions on (Antkiw, can mineralogy (Fleischer) 139 Waesche. Senftle). 363 Pentlandite, confirmation of the Quartz crystals, synthetic, incor- crystal structure of (Pearson, poration of impurities in Buerger) 804 (Stanley, Theokritoff) 527 Perdok, W. G., witl Hartman, P. An interpretation of the lav/ of Ramdohr, P. Die Erzmineralier-r Donnay and Harker 419 und ihre Verwachsunger-r (Book Petrographic Mineralogy (Wahl- Review) 954 strom) (Book Review). . . 367 164 Petrova,E.S...... 815 Ramsdell, L. S. (Book Review) 669 Phase Diagrams for Ceramists (Le- Renardite, optical and x-ray data 921 vin, NlcMurdie, Hall) (Book Report of the Committee on the Review) 607 Measurement of Geologic Phosphuranylite, opt.ical and r-ray Time. 1953-1954 (Book Re- data... 917 View). . 531 Plafker, G. A technique for modal Residual kaolins, on the genesis of analyses of some fine- ar.rd (Sand) . .. .. 28 medium-grained (0.1-5 mm.) Ribeirite (:Yttrian zircon) (Ta- rocks.. .. 652 vora)...... 168 Plagioclase feldspars, variations in Rimsky,A. 170 x-ray powder diffraction pat- Roach,C., with Thompson,X{. E., terns of (Smith, Yoder). . . . 632 and Braddock,W. New Occur- Potash feldspars, improved tech- rencesof native selenium. . . 156 niqrres for staining (Rosenblum) 662 Roach,C.H..... 958 Potter, R. A., with Kohn, J. A., Robirrson,S. C. . . 165 and Cotter, P. G. Synthesis Roebling Medal, acceptance of of aluminum nitride mono- (Winchell). 326 crystals 355 Roebling Medal, presentation to Praktische Edelsteinpri.ifing (Ep- Alexander Newton Winchell INDEX TO VOLUME 41 97r

(Kerr) 321 Sample holder, modified, for the Riintgenstrukturanalyse von Kris- Norelco rotating specimen de- tallen, Eine Elementare Ein- vice (McAtee) 942 fi.ihrung (Kohlhaas, Otto) Sample splitter, a joint-free (Mc- (Bookreview) .. 369 Kinney,Silver)...... 521 Rose, H. Jr., with Glass, J. J., Sand, L. B, On the genesis of resid- Evans, H. T. Jr., and Carron, ual kaolins. 28 M. K. Cerite from Mountian with Ro1', R. A note on Pass, San Bernardino County, some properties of sYnthetic California.... 665 nrontmorillonites.. 505 Rosenblum, S. Improved tech- Sandr6a,A...... 170 niqnes for staining potash Saukov, A. A. Geochemie (Book feldspars 662 Review) 811 Rosenfeld, J. L Paragonite in the Sawyer, D. L. 672 schist of Glebe Mountain, Schaacke, I. JIL soulhernVernront. . . 14+ Schmidt,W., and Baier, E. Lehr- Ross,D. C., with Jackson,E. D. A buch der Mineralogie (Book technique for modal analysesof Review). I A) medium- and coarse-grainecl Schmitt,M...... 164 (3-10mm.) rocks...... 648 Schiiller,A. 37t,673 Ross, V. Studies of uranium miner- Scott, A. D., IIanwaY, J. J.r md als (XXII): Synthetic calcium Stanford, G. Thermal studies arld lead uranyl phosphate of ammonium fxation and re- minerals. 915 leasein certain minerals. 70r Rowland, R. A., with'Weiss, E. J. Scott,'f. R. 370 Effect of heat on vermiculite Secondarlr uranium minerals and mixed-layered vermiculite (Chervet, Branche) .. .. 816 chlorite. 899 Selenium, native, new occurrences - Oscillating-heating r-ray of (Thompson, Roach, Brad- diffractometer studies of clay ciock)...... 156 mineraldehydroxylation. .... 117 Semenov,E. L.. . 163 Senftle, F. E., with Antkiw, S., and Rowland, W. R. Jr., with Donnay G., and Kracek, F'. C. The Waesche, H. Surface adsorP- chemical formula of empres- tiorr of Csr37ions on quarlz 363 site ... 722 crystals with Gottfried, D., and Roy, R., with Noda, T. OH-F ex- Waring, C. L. Age determina- changein fluorine phlogopite 929 tion of zircon crystals from and Sand. L. B. A note on Ceylon. 157 some properties of synthetic Senstius,M. W. (Book Reveiws) montmorilloniles.... 505 670,956 lludkin, A. W. 163 Serpentines: Natural mixtures of Rutherfordine (Frondel, Meyro- chrysotile and antigorite witz) . 127 (Nagy, Faust). 817 Rutherfordine, observations on Shaub, B. M., and Wrinch, D. (Clark, Christ). .... 844 Notes on a six-raYed diffrac- tion star produced by magne- Sahama,T. G. Optical anomaliesin tite enclosedin muscovite.... 94+ arfvedsonite from Greenland 509 Shell, H. R. Determination of mag- Sakharova,M. S.. . 814 netite in chrysotile. 351 972 INDEX TO VOLUME 41

Sherwood, A. M., with Stiefr, L. R., and release in certain minerals 70r arrd Stern, T, W. Coffaite, a Stanley, J. M. Hydrothermal uranous silicate with hydroxyl growth of aluminum arsenate substitution: a new mineral . . o/J crystals. 947 Shields, R., with Dennen, W. H. and Theokritoff, S. Incor- Yttria in zircon.. 655 poration of impurities in syn- Shubnikovite(Nefedov).. . . o/.t theticquartz crystals...... JZI Silicon, calculatedatomic scattering Starkeyite, a correction (Grawe). . . 662 factors at 25" C. (Kempter, Steiner,A...... L66 Alvarez-Tostado).. . 952 Stern, T.'W., Stieff, L. R., Girhard, Silicon, high-order twinning in M. N., and Meyrowitz, R, The (Kohn).. . . 778 occurrence and properties of Sillimanite (Hietanen).. . . 1 metatyuyamunite, Ca(UOz)z Silver,L. T., with McKinney, C. R. (VOn)e'3-5HzO. r87 A joint-free samplesplitter. . . 521 Stieff, L. R., Stern, T. W., and Skinner, B. J. Physical properties Sherwood, A. M. Coff:rite, a of end-members of tle uranous silicate wit! hydroxyl group. .. 428 substitution: a new mineral 675 Slawson, S. I., with Zerfoss, S. Stillwellite (McAndrew, Scott). . . . s70 Origin of autligenic inclusions Stilpnomelane mineral group, in synthetic crystals. 598 further data on (Ilutton). . 608 Small-AngleScattering of X-rays, Stobbe, H., and Murray, E. G. A (Guinier, Fournet) translated new occurrenceof eucolite near 'Wausau, by C. B. Walker (Book Re- Marathon County, view). 534 Wisconsin... 932 Smectites(Brown)... 536 Straumanis, M. E., andWeng, C. C. Smith, J. C. Unit cell and space The absorption a:rd refraction groupof barylite... . 512 corrections and the lattice con- Smith, J. R., and Yoder, II. S. Jr. stant of chromium. 437 Variations in x-ray powder dif- Structure Reports for 1942-1944, fraction patterns of plagioclase Vol. 9 (Book Review) 669 feldspars...... 632 Strunz,H.... 815 Smith, J. V., with MacKenzie, Sumin,N. G... . 537 W. S. The alkali feldspars: Switzer,G...... 672,958 III. An optical and x-ray study of high-temperature feldspars 405 Taranakite (Murray, Dietrich) 616 Smith,W.C...... 16+ Tavora,E.. 168 Smith, W. L,, and Cisney, E. A. Taylor,H.F.W...... 958 Bastnaesite,a:r accessorymin- Terpstra, P. Introduction to the eral in the Redstone granite Space Groups (Book Review) 808 from Westerly, Rhode Island 76 Theokritoff, S., with Stanley,J. M. Smythite(Erd,Evans).. ... 815 Incorporation of impurities Sodiumautunite.. .. 816 in synthetic quartz crystals. . 527 Southern Africa, A Geographical Thin sections,a new techniquefor Study: Volume I, Physical micrometricanall,sis of (Man- Geography (Wellington) (Book darino) . 786 Review) 368 Thompson, M. E., Ingram, B., and Stanford, G., with Scott, A. D., Gross, E. B. Abernathyite, a and Hanway, J. J. Thermal new uranium mineral of the studies of ammonium fxation metatorbernite group. 82 INDEX TO VOLUME 41 973

Roach, C., and Braddock, Visconti, Y. S., Nicot, B. N. F.' and W. New occurrences of native de Andrade, E. G. Tubular selenium. 156 morphology of some Brazilian 958 kaolins 67 Tobi, A. C. A chart for measure- Vladimirite (Nefedov) 673 ment of optic axial angles..516, 953 Volborth,A...... 371 Tolansky, S. The Microstructures Volkovite (Nefedov) 673 of Diamond Surfaces (Book Review) 533 Waesche,H., with Antkiw, S., and Tolun. R.. 671 Senftle,F. E. Surfaceadsorp- Torbernitefrom Rum Jungle,N. T. tion of Csr37ions on quartz Australia, anomalous fluores- crystals. 363 cencein (Lyon). 789 Wahlstrom, E. E. Petrographic Travis, R. B. Note on large cor- Mineralogy (Book Review). . . 367 dierite porphyroblasts, Fre- Wairakite (Steiner) 166 mont County,Colorado...... 796 Wakromejev, S. A Erzmikroskopie Trogtalite(Ramdohr,Schmitt)... 164 (BookReview)..... 954 TuEek,K...... 168 Wallace, Robert Charles, memorial Tuhualite (Hutton) 959 of(Hawley) ...... 315 Twinning in diamond-type struc- \,Valtherite(:Walpurgite) (Fisher) 960 tures: High-ortler twinning in Waring, C. L., with Gottfried, D., silicon (Kohn) 778 and Senftle, F. E. Age deter- Twinning and pseudo-twinning in mination of zircon crystals detrital quartz veins, note on fromCeylon...... 157 (Borg). 792 Warshaw, C. M. Occurrence of jarosite in underclays ...... 288 Uranium minerals, studies of Waugh, J.L. T., with Frondel, C.' (XIX): Rutherfordine, dideri- and Morgan, V. Lesserite, a chite, and clarkeite @rondel, newboratemineral...... 927 Meyrowitz). r27 Weaver, C. E. The distribution and (XXII): Synthetic calcium and lead identification of mixed-layer uranyl phosphate minerals clays in sedimentary rocks.. . 202 @oss). 915 - Mineralogy of the Middle Ustarasite (Sakharova) 814 Devonian Tioga K-bentonite 359 with Bradley, W. F. A Vanden Heuvel, R. C., with Earley, regularly interstratified chlo- J. W., Brirdley, G. W., and rite-vermiculite clay mineral . 497 McVeagh, W. J. A regularly Weibel, M. Amblygonite, cassiter- interstratifi ed montmorillonite- ite, and associated minerals chlorite. 258 from Cdceres,western Spain. 4l van der Marel, If. W. Quantitative Weiss, E. J., and Rowland, R. A. differential thermal analysis Efiect of heat on vermiculite of clay and otler minerals. . . 222 and mixed-layered vermicu- Viiyrynenite (Volborth) . J/I lite-chlorite .. 899 Veatchite(Kramer, Allen)...... 689 - Oscillating-heating x-ray "Vegard's lar.v,"validity of (Zen) 523 diffractometer studies of clay Vermiculite and mixed-layered mineral dehydroxYlation . ... 117 vermiculite-chlorite, efiect of Wellington, J. H. Southern Africa heat on (Weiss,Rowland). .. . 899 A GeographicalStudy: Volume Villanova, A. C... o/ I, Physical Geography (Book 974 INDEX TO VOLUME 11

Review) 368 X-ray spectrometer, curved- Weng, C. C., with Str""-u"it, crystal, a mineralogical tool M, E. The absorption and re- (Adler,Axelrod)..... 524 fraction corrections and the lattice constant of chromium. +Jt Yagi, K. Memorial of Shukusuk6 Whittie,A. W. G.. 166 'Wilkinson, K6zu 592 F. G. Clinop5rroxenes J. Yoder, H. S. Jr., with Smiti, J. R, of alkali olivine-basalt magma lL+ Variations in x-ray powder dif- Winchell, A. N. Acceptance of the fraction patterns of plagioclase RoeblingMedal...... 326 feldspars 632 Wohlmann,E.... 371 Yttria in zircon (Dennen, Shields) 65-< Wolff, G. A. Faces and habits of diamond type crystals. 60 Zen, E. Validity of law" 523 Wollastorrite,x-ray data 588 "Vegard's Zerfoss, S., and Slawson, S. I. Ori- Wrinch, D., with Shaub, B. M. gin of authigenic Notes on a six-rayeddiffraction inclusions in syntheticcrystals. . 598 star producedby magnetiteen- closedin muscovite . . . 944 Zircon crystals from Ceylon, age determinatior-rof (Gottfried, X-ray diffraction patterns of small Senftle,Waring) 157 anounts of material, an easy Zussman,J. Ar-rtigorite:Superlat- method to obtain (Hiemstra). 519 tice and structural formula. . . 148