INDEX TO VOLUME 40

Leading articles are in bold f_acetype; notes, abstracts and reviews are in ordinary type. Only for which definiie data are girr"r, a." indexed. AaoKaodating method (Wasserburg, Alurgite, x-ray data. . . . 984 Hayden). 340 Amblygonite,analysis. 56 Absorption spectra of smoky Ammersooite(van Der Marel). . . . 552 from an Arkansas vein deposit Amphibole,hydrous, structural for- and from a Sierran miarolitic mula of (Nicholls,Zussman) granite (Marshall). 53.5 .\mstutz, G. C. (Book Review).. . 361 Adams, F. D. The Birth and De_ Geologie und petrographie velopment of the Geological der Ergussgesteineim Verru_ Sciences (Book Review)...... 1153 cano des Glarner Freiberges Age determination, uranium_lead (BookReview)...... 366 method, studies in. (Eckel_ Anleitung zu Optischen Unter_ mann, Kulp). . 313 suchungen mit dem polari_ Age determinations on zircon based sationsmikroskop (Berek) on radiation-damage rreasure_ (Book Review).. ments (Holland, 129 Head, Witter) 320 Apfel, E. T. .. . A.I.M.E. symposium. problems 308 oi Ardennite from the Grants uranium Clay and Laterite Genesis district, New (Book Mexico (Sun, Review) 363 Weber) Albite twinning in plagioclase 338 feld_ Arnold, D. C. with Willden. R. spars, note on (Gay) 343 Spot grinding, a technique Aldanite (Bespalov). for ... 369 finishing rock thin sections.. JJ/ Alexander, L. E. with Klug, H. X_ Arnott, R. J.. . 309 ray Diffraction for polycrystal_ Arsenosulvanite(Betekhtin, Mik_ line and Amorphous Materials heev) . (Book 368 Review). . . 131 Asbestos,synthetic,investigations, Alkali feldspars:'I. Orttocl".u- II: X-ray and other data on microperthites (MacKenzie. synthetic fluor_richterite, Smith). 707 -edenite, and -boron edenite If. A simple x-ray technique for (Kohn, Comeforo). the 410 study of alkali feldspars Auskern,A..... (Smith, MacKenzie). 779 733 Australites from Harrow, Victoria Allen, R. D. and Kramer, H. (Baker). 775 Hornblende in diorire pegma_ Axelrod,J.M... .. 326 tite near Camp lrwin, San Ber_ with Milton, C. Beyrichtite, nardino County, California. . . a discredited species. . 767 Allen, R. M. practical Refrac_ Azaroff., L. V. and Buerger, M. tometry by Means J. of the Mi_ Refnement of croscope(BookReview)...... the structure of _ 549 cubanite, Allen, CuFezSr. 213 V. T. (Book Review)...... 130 Allison,E. B... 346 Baddeleyite phalaborwa, Alluaudite from @isher). I 100 Eastern Transvaal (Hiemstra) Almandite garnet 275 stability range Baker, G. . (Yoder). 77s 342 Baldaufite:Hureaulite(Strunz) .. 3IO Altschuler, Z. S.. . 308 Baldwin,B...... 337 rt57 1158 INDEX slider {or polar- A. . ' 776 Bertrand-Lasaulx Bannister,F. ' ' ' ' tt?o and tavorite' two new izingmicroscoPe(Fisher) Barbosalite Franklin' from BerYllian idocrase from phosPhate minerals 118 (Lind- N.J.(Hurlbut).. "" "' Minas Gerais, Brazil 369 952 Bespalov, M' M' berg, Pecora) 828 944 Beta-roselite (Frondel ) Bari6,L.. Nuf- and Beta-uranoPhane (Gorman, Barnes, W. H. "Hewettite" 634 ,,metahewettite"..... 689 field) A. G. ' 368 with Donaldson, D' M' The Betekhtin, structures of the minerals of the descloizite and adelite grouPs: II. PYrobelonite; III' irackenbuschite"'580'597 Barsanov,G. P' 941 Basalt flows in central New Mexico, forms of halloYsite' 122 correlation of bY fusion tech- Birth and DeveloPmentof the Geo- nique(Jicha). " 323 Bate,G.L...... "" 324 Bates,T.F...... " "' 309 Bauer, L. H. with Frondel, C' Kutnahorite: a manganese dolomite,CaMn(COe)z'' ' '316,748 Bloss, F. D. RelationshiP between H', Memorial of Bauer, Lawson light absorPtion and composi- (Frontlel) 283 ti-onin a solitl solution series 371 of Bauxite dePosits Jamaica' Bloxham,T. W.. . 345 mineralogY and 313 B. W. I., the Boato,G. . " (Hill) 676 genesis of Borborema Pegmatites; PhosPhate Bazzite (:scandian berYl?) (Hut- tenlocher, Htigi, Nowacki) " ' 370 Belovite (Borodin,Kazakova) " " 367 Belovite (Nefedov) 552 Benitoite, on the stabilitY and hY- drothermal sYnthesisof (Rase, Roy). ' 542 Berek, M. Anleitung zu OPtischen DePosits of Barstow Untersuchungen mit dem Quadrangle, San Bernardino PolarisationsmikroskiP (Book CountY, California (Book Re- Review) 129 view) . . 935 Bergendahl, M. H. Wavellite sPherulites in the Bone ValleY formation of central Florida ' ' +97 Berillite (Kuzmenko) 787 Berman,E. R. Unit cell dimensions of uranite. 925 Berman, J. Identification of metamict minerals bY r-raY 805 diffraction 329,885 Bertlierite, FeSbzSa,crystal struc- L. I. (Book Review)' 940 ture of (Buerger' Hahn) 226 Briggs, INDEX 1159 'W. Brindley, G. Stevensite,a mont- Campbell,W. J.. 310 morillonite-type mineral show- CaO-MgO-CO2system, studies in ingmixed-layercharacteristics 239 (Harker,Tuttle) .. 319 -.-(BookReview)... .. 360 CaO-VzOnHzOsystem (Marvin) 326 . ..310,775Carbon 14 age research (Broecker, Broder, J. 341 Kulp) 310 Broecker,W.... 310 Carbon in petroleums and other or- Broken Hills range,Nevada, wall- ganic constituents of sedi- rockalteration in (Vitaliano) 339 ments, isotopic composition of Brophy, V. A. with Strock, L. VI. (Silverman, Epstein) 335 Synthetic sulfide poly- Cardenite(MacEwan) l.t/ type crystals. .. 94 Carlson, S. J. Activation of photo- Brown,G...... 347,777,729,780 luminescence in artificial cal- Brown,G. M. ... 344 cite by stannous ion 540 Brown, p. W. E. with Smith, J. and Carr, J. M.. . . 311 Lehr, J. R. Crystallography of Carter,D. 8... .. Jlo monocalcium and d.icalcium Carthew, A. R. The quantitative es- phosphates. 893 timation of kaolinite by differ- Brunton, G. Vapor pressureglyco- ential thermal analysis. . . . r07 lation of oriented clay minerals 124 Catalogue of Meteorites, with spe- Buck, D. C. and Strock, L. W. Tri- cial reference to those repre- morphisminzincsulfide..... 192 sented in the Collections of the Buddington, A. F. Presentation of British Museums (Natural the Roebling Medal to Cecil History), (Prior) revised and Edgar Tilley. 289 enlarged by M. H. Hey (Book Buerger, M. J, and Hahn, T. The Review) 936 crystal structure of berthierite, Centrifuge tube, new, for mineral FeSb:Sr 226 separation (Nickel) 697 with Azaroff, L. V, Refine- Cerianite, CeO2: a new rare-earth ment of the structure of oxidemineral (Graham)... . . cubanite,CuFezSr. z 7,) Cerul6ite from Wheal Gorland, 319 Gwennap, Cornwall. (Russell, Brrlfonteinite, CaoSirOroHuFr, ;; Claringbull) 933 accurate determination of the Chalchihuitl-a study in jade cell dimensions of (Megaw, (Foshag).... .1062 Kelsey)...... 773 Chalconatronite (Frondel, Gettens) 943 Bulfonteinite from Crestmore, Cali- Chamosite variability and iron-ore fornia (Murdoch). ... 900 petrology problems (Youell) 347 Charnockite series in Bunger Lake Cadisch, J. and Niggli, E. Geologie area, Antarctica, occurrence of der Schweizeralpen (Book Re- (Apfel, Huang) . 308 view). 361 Chattanooga shale, mineralogy and Cadmium sulphide, Iattice dimen- petrography of (Bates, Strahl, sions of (Smith). 696 Short, Silverman, Camilli).. . . 309 Calcareous odliths, origin of (Mona- Chayes, F. A point counter based ghan, Lytle). 328 on the Leitz mechanical stage 126 Calcium carbonate, factors influ- Chen, W. T. with Morey, G. W. encing the artificial precipita- The action of hot water on tion of (Zeller, Wray) 3+2 some feldspars . . 996 Camilli,E. 309 Chiklite (Bilgrami) 1155 1160 INDEX

Chlorite species, r-ray identifica- crystal structure of (Christ, tion of (Brindley, Gillery) . 310 Clark, Evans) 3I2 Chlorites,four coarsely-crystalline, Collectorfor concentratinga min- examination of by rc-ray and eral phasefor analysis,a simPle variable-pressured.t.a. tech- (Frechette). 931 niques(Stone, Weiss) 780 Colloid Chemistry of Silicaand Sili- Chlorites : gonyerite and melanolite cates(Iler) (Book Review). 1150 (Frondel).. 1090 Columbite-tantaliteseries, relation- Christ, C. L. and Clark, J. B. The ship betweendensitY and com- crvstal skucture of murdochite 907 positionin (Campbell,Parker) 310 (Book Review). 783 Columbium and tantalum and cer- . 3rr,3l2 tain associated minerals' Pre- Chromite, secondary alteration of liminary report on investi- (denTex).. .. 353 gations of minerals of Claringbull,G. F... 933 (Hutchinson)...... 322,+32 A. Clark, J. R. with Christ, C. L. The Comeforo, J, E. with Kohn' J. crystal structure of murdochite 907 Synthetic asbestos investi- .)tz gations, IIz X-taY and other fluor- Clarke, R. S. Jr. . . 308 data on sYnthetic -boron Clay-mineral dehydroxylation, r- richterite, -edenite, and ray diffractometer thermal edenite . ' 4lo studies of (Weiss, Rowland) 341 Concentration of heavy accessories CIay minerals, determination of from large rock samples (Fafu- specific heats and heats of re- bairn) . . .315,458 action by thermal analysis Consequenceslor d.t.a'of assuming (Allison)..... 3+6 a reaction to be first-order Clays of the clay-schist formation (Sewell)..... 346 in the Modenese Appenines, Convergentlead ages of earth'sold- mineralogical composition of est monazites and uraninites some(Gallitelli) .. 345 (Ahrens) . . 933 Clays and Clay Technology (Pask, Coombs,D. S. 777 Turner, editors) (Book Re- Corey, A. S. with Heinrich, E' W' view).... 937 Montebrasitefrom Eight Mile Clays, a kinetic study of the dehy- Park, Fremont CountY, Colo- dration reaction in, and its rado.. ' ' ll41 bearing on differential thermal Corrensite(Lippmann).. 137 analysis (Murray, White) 3+6 Cotter,P. G. with Kohn, J. A. and CIays in coals and their ashes (En- Potter, R. A. Directionalhard- dell) .. 345 nessvariation in tungsten car- Clinopyroxenes, ion substitution in bide (WC) monocrYstals 522 the diopside-ferropigeonite Craig,H...... 313 series of (Kuno). 70 Crystal Data. Classificationof Sub- Coal and Bitumens and Related stancesby SPaceGrouPs and Fossil Substances (Tomkeieff) Their Identification from Cell (BookReview)...... 1152 Dimensions (DonnaY, Now- acki) (Book Review) 784 "Coesite,tt the crystallography of (Ramstlell)..... gi'r Crystal growth' screw dislocations Coffinite (Stieff, Stern, Sherwood) 943 and charge balance as factors Coleman,R.G...... 312 of (Hendricks) .... 139 Colemanite, CaBaOn(OH)sHzO, Cubanite, CuFezSr, refinement of INDEX lt6l

ttrestructure of (Azarofr,Buer- Donaldson, . D. M. and Barnes, ger) 213 W. IL The structures of tle Cucamonga Canyon area, Cali- minerals of the descloizite and fornia, role of water in meta- adelite groups: Il-Pyrobelo- morphism of rocks in (Hsu) . . . 321 nite; Ill-Brackenbuschite .S80,S9Z Donnay, J. D.H. and Nowacki, W. Davis, G. L.. . 338 Crystal Data. Classification of Davis, W. M. Geographical Essays Substances by Space Groups (BookReview).... 393 and their Identification from Deans,T.... llo Cell Dimensions (Book Re- Decavanadates, constitution of the view).. 784 natural and artificial (Evans, The primitive cell of johan- Mrose, Marvin) 314 nite...... 1131 Denning, R. M. and Mandarino, Douglass,R. M... 313 J. A. Pleochroism in synthetic Doverite (Smith, Stone, Riska, ruby. . .. 1055 Levine) 1154 Directional grinding hard_ Duffin,W. J. .. . 343 ness in a diamond: A further Dunites, origin of, in Sept.-Oct. study...... 196 (1954);correctionsto.... 553 with Slawson,C. B. Stress Dwornik, E. and Ross, M. Applica- and double refraction in tion of the electron microscope diamond... 1135 to mineralogic studies. . . 261 Laboratory demonstration 312 of the nature of interference colors produced by a quartz Eckel,E.B...... 327 wedge betweenpolaroids. . . 1l2g Eckelmann, W. R.. 313 den Tex, E. Secondaryalteration of Edwards, A. B. Textures of the Ore chromite.... 353 Minerals and their Significance Descloizite and adelite groups, ttre (BookReview) .. 547 strucfures of the minerals of : Eigenschaften der Minerale, Teil Il-Pyrobelonite; Ill-Bracketr- II, Mineralchemische Tabellen buschite (Donaldson, Barnes) und Qualitativ-Chemische . . 580.597 Nachweisverfahren (Schtiller) Diamond, piezobirefringence in (BookReview)..... 549 (Poindexter)... ..1032 Einfiihrung in die Untersuch- Diamond, stressand doublerefrac- ung der Kristallgitter mit (Slawson, tion in Denning). . . . 1135 Rdntgenstrahlen (Trey, Legat) Dickite in certain sandstonesin (BookReview). .. 783 North Wales and Northern Eitelite (Na,O'MgO '2COz) and. England (Brown, Smithson) 779 reedmergnerite (NazO.BzOa Dickite, effect of grinding on (Mc- .6SiOz), new minerals associ- Laughlin) 779 ated with leucosphenite, Differentiation trends in Loring in- shortite, searlesite, and croci- trusives of Canada (Friedman) 31S dolite in Green River form- Directional grinding hardness in a ation, Utah (Milton, Axelrod, diamond: A further study Grimaldi)...... 326 (Denning). 186 Electron microscope, application of Discreditedminerals... .370,944 to mineralogic studies (Dwor- Domains in reorderedminerals, in- nik, Ross).... 261 (Frueh) vestigation of 316 Endell,J...... 345 t162 INDEX

341 Endellite-halloysite nomenclature Field,N. J.. ..'...... (Faust).. 1110 Fieldes, M. and Williamson, K' I' Tower area, Duluth, Minne- with Birrell, K. S' Unusual Enger r22 sota,geology of (Goldich,TaY- forms of halloYsite . . ' lor. Lucia) 318 Fisher, D. J. Alluaudite .. . 1100 -- Epstein,S...... 335 A Bertrand-Lasaulx slider . 1139 Erd, R. C. (Book Review) 362 for the polarizingmicroscoPe. ' ' 939 Es'kova, E. M. 788 Fleischer,M. (Book Review). ' . Eugster,H.P.... 314 Fluor-phlogopite, synthetic, r-ray data (Kohn, Hatch) 10 Evans, H. T. Jr. antl Mrose, M. E. and oPtical A crystal chemical studY of Fluor-richterite, fluor-edenite and synthetic' montroseite and Paramonfro- fluor-boron edenite, (Kohn' seite 861 r-ray and other data on . .. - 312,314 Comeforo) 410 Evenkite (Skropyshev) 368 Folk, R. L. Note of the significance of feldsPars 356 "turbid"'W. F. Chalchihuitl-a Fahey, J. J. Murtlochite' a new Foshag, 1062 copperlead oxide mineral. . ' 905 studY in jatle . . Fairbairn, H. W. Concentration of with Switzer, G. Ordo- heavy accessories from large frezite, zinc antimonate' a new fock samples. . . 358,458 mineral from Guanajuata, 315 Mexico. o+ for Fajans, K. (BookReview) .... 1146 Foster, W. R. SimPle metlod Falkmanit(Hiller)...... 1155 the determination of the Plagi- 179 Faust. G. T. The endellite-halloy- oclasefeldspars...... 774 site nomenclafirre . . 1110 Francis,G. H... - - (BookReviews) . . .363,938 Frank-KamenetskY,V. .A.. . . " 94+ 9+4 Franzen,P. ... 345 Feldspars, the action of hot water Frechette, V. D. A simPle collector on some (Morey, Chen). for concentrating a mineral 931 Feldspars, a first attempt at a de- phaseforanalYsis... .. ' " " termination of, by activation Frederickson, A. F. Mosaic struc- analysis (Bradley, Bradley). . . 777 ture in quartz 315 Feldspars from the Moun- Friedman, G. M. . Judith 316 tains, Montana, possible re- Friedman, I. . . action, and eutectic relations Fritz Ephraim's Inorganic Chem- (Book between naturally occurring istry (Thorne, Roberts) (Wallace) 340 Review). . . lt46 Feldspars, "turbid," note of the Frondel, C. Memorial of Lawson 283 signifrcanceof (Folk). . .. 356 H. Bauer.... Ferrierite, a zeolite, r-ray investi- Neomesselite and beta- gation of (Staples) . .. 1095 roselite: Two new members of e?l Ferromagnesian silicates, co-exist- the fairfieldite grouP powder ing, distribution of major and A precision r-raY 876 minor elements in (Nickel) 699 camefa Festband Bruno Sander: Tscher- Two chlorites: gonYerite 1090 maks Mineralogische und andmelanolite .."' Petrograpische Mitteilungen and Bauer' L. H. Kutna- (BookReview)...... 935 horite: a manganese dolomite' Field Guide to Rocks and Minerals CaMn(CO:)e 316,748 (Pough) (Book Review) . 362 943 INDEX 1163

Frueh,A. J. Jr.... 316 Ghassoulite(Millot). .. 137 Fusiontechnique for correlationof Gilbert, C. M. with Williams, H. basalt flows in New Mexico and Turner, F. J. Petrography, ficha)... .. 323 An Introduction to the Study ,,Mech- Fyfe, W. S. A discussion on of Rocks in Thin Sections anism of solution of quartz in (BookReview)...... 132 pure water at elevated tem- Giletti, B. J. and Kulp, J. L. Radon peraturesandpressures". . ... 520 leakage from radioactive min- efals..... 481 Gabbros, banded, of the Isle of Gillery,F.C...... 310 Skye, Scotland, contemporane- Glass, J. J. with Staatz, M. H. and ous slumping and sliding in Murata, K. J, Variation of (Carr). . 311 compositionand physical prop- Gallitelli,P.... 345 erties of tourmaline with its Gard, J. A. .. . . 933 positionin the pegmatite...... 789 Garnets from the Franciscan Glossary of Clay Trade Names schists, manganese content of (Robertson)(Book Review) .. 130 (Pabst) 329 Glycolation, vapor pressure,of ori- Garrels, R. M. Some thermody- ented clay minerals (Brunton) L24 namic relations among tle Goldich,S. S.. . . 318,323 uranium orides and their rela- Goldichite, a new hydrous potas- tion to the oxidation states of sium ferric sulfate from the the uranium ores of the Colo- San Rafael Swell, Utah rado plateaus. . 1004 (Rosenzweig,Gross)...... 331,469

coat). 1119 Studies of radioactive com- Geographical Essays (Davis) (Book pounds: Vlll-Uranophane and Review) 3$ beta-uranophane... .. 634 Geologie, Mineralogie und Lager- Gottfried, D...... 32I stiittenlehre (Kukuk) (Book Graham, A. R. Cerianite, CeO2: a Review) 935 new rare-earth oxide mineral 560

enstatite and pseudowollas- -Niggliite, a monotelluride tonite(Roth) $2 of platinum? ..... 693 Gettens, R. J.. . . . g43 Gross, E. B. with Rosenzweig, A. tl64 INDEX

Goldichite' a new hYdrous Po- H. D., Witter, G. G. Jr., and tassium ferric sulfate from the Hess,G. B. A new method for San Rafael Swell, Utah. ..331,469 mounting samplesfor Powder Grovesite, the manganese-richana- Jc-rayspectrometry...... 76r 320 logueof berthierine(Bannister, Hey,Smith)..... 776 Heavy accessoriesfrom large rock Guidebook to the Geology of Utah, samples, concentration of 315 Number 9, Uranium DePosits (Fairbairn) and General GeologYof South- Heazlewooditefrom Miles Ridge, (PaPezik) . 692 easternUtah (Stokes,editor) 549 Yukon TerritorY . . A. Guillemin,C...... 942 Heinrich, E. W. andLevinson' A. mica grouP; Gypsum accessoryPlates, faults in Stuclies in the (Holser) 544 polymorphism among high- silica sericites 983 grouP: Hagendorfite (Strunz) JJJ Studies in the mica from Hahn, T. wittr Buerger, M. J. The Mangan-muscovite 1132 crystal structure of berthierite, Mattkerr, Finland FeSbzS.r. 226 and CoreY, A. S. Monte- 319 brasite from Eight Mile Park, 1141 Halloysite-endellite nomenclature Fremont CountY,Colorado . (Faust) ... 1110 (BookReviews) .131' 132' t34' 549 Halloysite, unusual forms of (Bir- . . .135,136, 365, 366,547,548' rell,Fieldes,Williamson)..... 122 Henderson,E. P. (Book Review) 936 Hamley bornite from South Aus- Hendricks, S. B. Screw disloca- tralia, analysis of (Zies, Mer- tions and charge balance as 139 win)...... ' 1001 factorsofcrystalgrowth.. ... 775 Hanson, R. F. with Kaley, M. E. Henshaw,D, E.. . 32O Laumontite and leonhardite Herzog,L. F.. D., cement in Miocene sandstone Hess,G. B. with Holland, H. and Witter, from a well in San Joaquin Head, W. B. III valley,California' '.. 923 G. G. Jr. A new method for Hardnessdeterminations on silicon, mounting samPlesfor Powder germanium, and the III-V #-rayspectrometry...... '.. 76I compounds (Woltr, Toman, "Hewettite" and "metahewettite" 689 Field,Broder)..... 341 (Barnes) Hardnessvariation, directional, in Hey,M. H.. . - .774,776,936 tungsten carbide (WC) mono- Hiemstra, S. A. BaddeleYite from crystals (Kohn, Cotter, Potter) 522 Phalaborwa, Eastern Trans- zlJ Harker,R. I... . 319 vaal. . . flarrison, W. D. with Shaw, D. M. Hildebrand, F. A. with Schaller' Determination of the mode of W. T. A second occurrence of (2MgO a metamorphic rock . 614 the mineral sinhalite . 'BeOa). . 453 Hatch, R. A. with Kohn, J. A. SYn- AlzOa . . and thetic mica investigations, VI: Hill, V. G. The mineralogY X-tay and optical data on s5m- genesis of ttre bauxite dePosits 676 tletic fluor-PhlogoPite 10 of Jamaica'B. W. I.. . r155 Hawleyite, isometric cadmium sul- Hiller,J' E.'..'....'.. phide, a new mineral (Traill, Historical SurveY of PetrologY (Book Boyle). .).) J (Loewinson-Lessing) 548 Hayden,R. J.. . 340 Review) B. III' Head, W. B. III, with Holland' Holland, H. D', Head, W. INDEX 1165

Witter, G. G. Jr. and Hess, Igneous petrology of Paraguay G. B. A new method for (Milton, Eckel). 327 mounting samples for powder Ignimbrites in southern Peru ,r-ray spectrometry. . 761 (Jenks,Goldich).. 323 'I'. 320 Iiyama, T. 787 Holser, W. Faults in gypsum Iler, R. K. The Colloid Chemistry accessory plates. s44 of Silica and Silicates (Book Homestead meteorite, isotopic com- Review). 1150 position of Sr in (Herzog, Immersion media of high inder of Pinson) 320 refraction, a compilation and Hornblende irr diorite pegmatite classification of (Meyrowitz). . 398 near Camp Irwin, San Ber- Indialite (Miyashiro, Iiyama) 787 nardino County, California Ingerson,E. (Book Reviews) . .128,363, (Allen, Kramer) s27 546,781, 782,935, 1147, 1150, 1152 How to Know Minerals and Interference colors produced by a Rocks (Pearl) (Book Review) r147 quartz wedge between polar- Howland, A. L.. . 320 oids, laboratory demonstration Hsu, K. J.. . JZ\ of the nature of (Denning) . 1128 Huang, W. T. 308 Ion fixation by kaolinite (Greene- Hiigi, T.. 370 Kelly). 779 Humites, synthesis of (Van Valken- Iridium tellurides,x-ray data. 653 burg). 339 Irinite (Borodin, Kazakova) 369 Hunt, W. F. Edward Henry Kraus 945 Isokite, CaMgPOrF, a new mineral Hunter,K... 775 from Northern Rhodesia Hurlbut, C. S. Jr. sym- (Deans, McConnell, Pickup) 776 metry as shown on crystals Isotopicanalysis applied to a clima- from Jugoslavia... 957 tological problem (Friedman, Beryllian idocrase from Norton, Red6eld,Carter) 316 Franklin, New Jersey 11g Ito, T. I.. 368 Demonstration polariscope 12O Ivanovite (Nefedov) 552 Hutchinson, R. M. 32I 'W. preliminary Hutchinson, R. re- Jackson,E. D. 322 port on investigations of min_ Jade, study in (Foshag). 1062 erals of columbium and tanta- Jadeitefrom California,optical and lum and of certain associated chemical study of (Coleman) 3t2 minerals.. .. .322.432 Jadeite crystals from near Clover- Huttenlocher,H. 370 dale, California, crystallog- Hutton, C. O.. 9+4 raphy of (IV'olfe) 248 Hydrogen-autunite, synthetic Jaffe,H. W.. . 32t (Ross). 917 Jenks,W. F 323 Hydrohausmannite and hydro- Iicha,H. L. Jr.. 323 hetaerolite (Wadsley) 349 Johannite, the primitive cell of Hypersthene-gabbro of Ardnamur- (Donnay).. 1t3l chan, Argyllshire, a suggested igneous origin for the banded Kaley, M. E. and Hanson, R. F. granular hornfelses within Laumontite and leonhardite (Brown) 34+ cement in Miocene sandstone from a well in San Joaquin Ianthinite (Bignand) g43 valley, California 923 Idocrase, beryllian, from Franklin, Kamiokalite (Sakurai, Nagashima, NewJersey(Hurlbut) ... 118 Sorita). . 367 1166 INDEX

Kaolin minerals, energy changes fluor-phlogoPite. . . t0 when heated (Vaughan) . . 346 Cotter, P' G' and Potter, Kaolin minerals, the hYdroxYl re- R. A. Directional hardness gion of the infra-red spectrum variation in tungsten carbide of (Auskern, Grimshaw) .. .. 779 (WC) monocrystals 522 Kaolinite in human lungs (Nagel- Koivinite (:florencite) (Frank- schmidt) 779 KamenetskY, Komkov, Nar- Kaolinite, some observations on the dov)...... 944 aggregation of (Gregg) Komkov, A. I.. . . 9+4 Kaolinite, quantitative estimation Kramer, H. with Allen, R. D. Horn- of by differential thermal blende in diorite Pegmatite analysis(Carthew)...... " 107 near Camp lrwin, San Bernar- Kazakova,M. E. . . 367,369,788,115+ dino County, California . " . . 527 Keene,A. G. .... 333 Kraus, Edward HenrY (Hun0 . . ' 945 Keith, H. D. Lattice spacingsin Kukuk, P. Geologie, Mineralogie clear crystalline quartz and und Lagerst[ttenlehre (Book theirvariability..... 530 Review). 935 Keller, W. D. Oxidation of mont- Kulp, J. L. with Giletti, B. J. Radon morillonite during laboratorY leakage from radioactive min- grinding.... 348 erals 481 The Principles of Chemical ...310,313,324 '. 940 Weathering (Book Review) Kuno, H. Ion substitution in the Kelsey,C. H... 773 diopside-ferroPigeonite series Kirnberlite at Bachelor Lake, Que- ofclinopyrorenes...'...".. 70 bec (Illatson) 565 Kurgantaite (Yarzhemskii) 941 Kirk, R. D. The luminescence and Kutnahorite: a manganese dolo- tenebrescence of natural and mite, CaMn(COr)z @rondel syntheticsodalite. .".. 22 Bauer). . -.316,748 Kleeman,A. W. A new Parallelrul- Kuzmenko,M' V... " '787,1154 er for adapting the universal stagefor petrofabricanalysis. 537 (g-CazSiOa)and bredigite Klockmann's Lehrbuch der Miner- Larnite hYdrationof, and alogie (Ramdohr) (Book Re- (az-CazSiOn), proPerties of the resulting view). . 134 the gelatinous mineral H. and Alexander,L' E. X- Plombierite Klug, ..""' 344 ray Diffraction for Polycrystal- iMcConnell) in clear crystalline line and Amorphous Materials Lattice spacings variabilitY (Book Review) 131 quartz and their (Keith) 530 Knipovichite (Nefedov) 551 leonharditecement Kohl, E. Uran. Die Metallischen Laumontite and from a Rohstoffe(Book Review). . . 365 in Miocene sandstone San valleY, Kohler,K...... 942 well in Joaquin California(KaleY, Hanson) " ' 923 Kohn, J. A. and Comeforo, J. E. F. 318 Synthetic asbestos investiga- Laves, Fair- tions, II: X-ray and other data Layered basic intrusive, southeastern on synthetic fluor-richterite' weather Range, (Rossrnan) 332 -edenite, and -boron edenite 410 Alaska and Hatch, R. A. SYnthetic , common,variation in the iso- (KulP' mica investigations, VI: X-raY topic comPosition of 324 and optical data on syntletic Bate) . INDEX tl67

Lead in olivine bombs, isotopic torical Survey of Petrology composition of (Tilton, Patter- (BookReview)...... 548 son, Davis). 33g Lorenzenite,synthesis and atomic Lead, original radiogenic,an addi- structureof (Shurtz)... .. 335 tional correction for lead- Loring intrusives of Canada, dif- uranium and lead-leadage cal- ferentiation trends in (Fried- culations(Stieff,Stern)..... 336 man).... 315 Lee, D. E. Occurrence of py- Lucia,F.J. . .. 318 rophanitein Japan . 32 Lytle, M. L.. . . 328 Legat, W. with Trey, F. Einftihr- ung in die Untersuchungder MacEwan,D. M. C. B7 Kristallgitter mit R,tintgen- Mackenzie,R. C.. 779 strahlen(Book Review). . . . . 7gs MacKenzie,'W. S. and Smith, J. V. Lehnerite:ludlamite(Barid).... 944 The alkali feldspars: I. Ortho- Lehr, J. R. with Smith, J. p. and clase-microperthites; II: A Brown,'W. E. Crystallography simple r-ray technique for the of monocalcium and dicalcium studyof alkalifeldspars. . . .707,733 phosphates. 993 . . .325,77 3 Leininger,R. K.. . .324.328 , natural, differential Lembergite (:iron-rich saponite) thermal analysis and cell di- (Sudo). 944 mensions of (Schmidt, Ver- Levine,H..... 1154 maas). 422 Levinson, A, A. Studies in the mica Mandarino, J. A, with Denning, group: Polymorphism among R. M. Pleochroism in synthetic illites andhydrous micas . . 4l ruby...... 1055 witl Heinrich, E. W. Stud- Manganesecontent of garnets from ies in the mica group; poly- the Franciscanschists (Pabst) morphism among high-silica 329,919 sericites 993 Mangan-muscovitefrom Mattklirr, Studiesin the mica group: Finland (Heinrich, Levinson) Il32 Mangan-muscovite from Mariposite,x-ray data .... 986 Mattklirr, Finland 11.3.2 Marshall, R. R. Absorption spectra Liddicoat, R. T. Jr. Techniques em- of smoky quartz from an Ar- ployed in tle identification of kansas vein deposit and from a gemstones. nS Sierranmiarolitic granite. . ... 535 Light absorption and compositionin tt< a solid solution series, rela- Martin,A.E...... 344 tionshipbetween (Bloss)..... 371 Marvin, R.. . 314,326 Likasite (Schoep, Borchert, Kohler) 942 McCampbell,J. C...... 326 pecora, Lindberg, M. L. and W. T. McConnell, D. (Book Review).. 937 Tavorite and barbosalite, two McConnell, J. D. C. A chemical op- new phosphate minerals from tical and x-ray sfudy of scaw- Minas Gerais, Braztl 952 tite from Ballycraigy, Larne, N. Lippi-Boncambi,i...... 779 Ireland .. 510 Lippmann, F.. lJt 344,776 Lithiophillite, j. analysis.. .. JO Mclaughlin,n. W. .. . 779 Llama bones with lead- "Mechanism of solution of quartz mineralization from Bolivia in pure water at elevated tem- (Milton) 770 peratures and pressures," a dis- Lodochnikovite (Nefedov).. . 551 cussion on (Fyfe). 520 Loewinson-Lessing, F. Y. A His- Megaw, H. D... . I lJ 1168 INDEX

Melanolite (Frondel) 1090 Microlite, x-raY data. 55 Melkov, V. G.. . 369 Mikheev,V. I'...... 368 551 Merwin, H. E. with Zies, E. G. Mikheevite (Nefedov). Analysis of Hamley bornite Millot, G.. . 137 fromSouthAustralia ...... 1001 Milton, C. Llama boneswith lead- Metamict minerals, aPPlicationof , copper mineralization from electron diffraction to the Bolivia ' 770 study of (Christ, Dwornik, and Axelrod,J' M. BeYrich- Tischler) 312 tite,adiscreditedspecies.... 767 Metamict minerals, identification '326,s27 368 by r-ray diffraction @erman) 805 Minato, H.. . Metamorphic rock' determination Mineral seParation,a new centri- of the mode of (Shaw, Harri- fuge tube for (Nickel) ' . ' 697 son)...... 614 Mineralfunde der SchweizerAlpen Meteorites, catalogue of (Prior, (Parker) (Book Review) . . 938 Hey) (Book review) 936 Mineralien und Lagerstiitten in IVfe5rrowitz,R. A comPilation and Ostbayern (Strunz) (Book Re- classifcation of immersion view). 938 media of high index of refrac- Mineralogical magic numbers tion .. (Schneer)..... 333 MgO-AlzOrSiOg-HzOsystem, syn- Mineralogical SocietY of America thesis and stability of minerals Award, accePtanceof (Yoder) 296 in (Roy,Roy). . 147 Mineralogical SocietY of America Mica- and chlorite-typestructures, Award, Presentation to Hatten the effect of isomorphoussub- S.Yoder,Jr.(Schairer)..'.. 295 stitutions on the intensities of Mineralogical SocietYof America, (001)reflections of (Brown) . proceedingsof the thirtY-fifth Mica group, studies in: Mangan- annual meetingat Los Angeles 299 muscovite from Mattkiirr, Fin- Mineralogical Society (London) . . . land (Heinrich, Levinson). ' . ' 1132 .. -..343,773,933 (Nin- IVfica group, studies in: PolY- Minerals for Atomic EnergY morphism among high-silica inger) (Book Review). 781 sericites (Heinrich, Levinson) 983 Minerals in World IndustrY 547 Mica group, studies in: PolY- (Voskuil)(Book Review).. . morphism among illites and Misch,P. 327 hydrous micas (Levinson). . . . 4l Mitchell,w. A.. . 779 787 Mica polymorphs, experimental Miyashiro,A.. . and theoretical studies of Mogensen,F...... 138 (Smith, Yoder). 343 Monaghan,P.H... .. 328 Mica, synthetic, investigations, VI : Monocalcium and dicalcium Phos- X-ray and optical data on sYn- phates' crystallography of thetic fluor-phlogopite (Kohn' (Smith, Lehr, Brown)... . . 893 Hatch). . . 10 Montebrasite from Eight Mile Micas and chlorites, effect of chemi- Park, Fremont CountY, Colo- 1l4I cal composition upon (001)in- rado (Heinrich,Corey) . -... . . tensitiesof(Brown).... 347 Montebrasite, x-raY data 960 Micas, redescription of the single Montmorillonite comPlex, an un- 346 layerstructureof @abst)..... 967 usual (Greene-KellY). Microcline, Na content of (- Montmorillonite minerals, dehY- smith,Laves)...... 318 dration of (Greene-KellY). " 77+ INDEX tI69

Montmorillonite, oxidation of dur- of ing laboratory grinding :"":**t.::neme l"nt"lt!n,r* (Keller) 348 Nardov, V. V. 944 Montmorillonite, x-ray analysis Natrolite group, thermal analysis of an adsorption complex of, study of (Peng) 834 with cetyltrimethyl am- Navajoite, a new oxide monium bromite (lissolamine) from Arizona (Weeks, Thomp- (Franzen). 345 son, Sherwood) 207 Montroseite and paramonkoseite, Nefedov, E. I. 551, 552 a crystal chemical study of Nekoite (Gard, Taylor). 933 (Evans,Mrose). 861 Nenadkevichite (Kuz'menko, Morey, G. W. and Chen, W. T. The Kazakova) 1154 action of hot water on some Neomesselite and beta-roselite: feldspars . 996 Two new members of the fair- Moss,A. A. 314,778 fieldite group (Frondet) 828 Mrose, M. E. with Evans, H. T. Jr, Nepheline, detailed structure of A crystal chemical study of (Hahn, Buerger) 319 montroseite and paramontro- Neuerburg, G. J. (Book Review) 129 seite 861 Neumann, H. 324,328 Mrose,M. E. 314 New data. .370, 1155 Murata, K. J. with Staatz, M. H. New mineral names 137, 367, 551, and Glass, J. J. Variation of J87' 941' 1154 composition and physical prop- N"* p"rioai. Tables of erties of tourmaline with its ments Based on the Structure position in the pegmatite. 789 of the Atorn (Tomkeieff) (Book Murdoch, J. Phosphateminerals of Review). . . 128 the Borborema pegmatites: Nicholls, G D. 774 I-Patrimonio 50 Nickel, E. H. The distribution of Bulfonteinite from Crest- major and minor elements more, California 900 among some co-existing ferro- - Scawtite from Crestmore, magnesian silicates 699 California .. 505 A new centriftige tube for Murdochite, the crystal strucfirre mineral separation. 697 of (Christ, Clark). . 907 Niggli, E. with Cadisch, J. Geologie der (Book Murdochite, a new copper lead Schweizeralpen Re- view). . . 361 oxide mineral @ahey). . 905 Niggli, P. Rocks and Mineral De- Murray, H. H. 324,328 posits (Book Review) 131 Murray,P...., 3+6 Niggliite, a monotelluride of plati- num? (Groeneveld Meijer) 693 NarO-FeO-SiO2 system, reconnais- Nininger, R. D. Minerals for sance (Schairer, of Yoder, Atomic Energy (Book Review) 78r Keene). 333 Nomenclature Sub-Committee of Nacrite, thermal reactionsof, and the Clay Minerals Group the formation of metakaolin, (Mineralogical Society, Lon- .y-alumina, and mullite (Brind- don), report of (Brown) . 780 ley, Hunter) 775 Norrish, K. Nagashima,H. 367 Norton, D. R. 316 Nagelschmidt,G.. . 779 Nowacki, W. with Donnay Nagy, B. and Bradley, W. F. The J. D. H. Crystal Data. Classi- rl70 INDEX

fication of Substances by Space Parker,J. G.. . . 310 Groups and their Identification Parker,R. L. Die Mineralfundeder from Cell Dimensions (Book Schweizer Alpen (Book Re- Review). . 784 view)...... 1147 370 Particle sizes of clay minerals bY Nuclear Geology (Faul, editor) small-angle r-ray scattering (BookReview)...... 1151 (Arnott) . 309 Nuffield, E. W. with Gorman, D. H. Patterson,C. C. 338 Studies of radioactive com- PeacockMemorialPrize .. ..' 705 pounds: Vlll-Uranophane Peaksof Lyell (Blainey) (Book Re- andbeta-uranophane .. 634 view).. .. .1152 Pearl, R. M. How to Know Miner- (Book Review) 1147 Okenite (Gard, Taylor)...... 933 als and Rocks Lindberg, M. L. Optical Properties of Organic Com- Pecora, W. T. with pounds (Winchell) (Book Re- Tavorite and barbosalite, two phosphate minerals from view) 546 new 952 Ordoflezite, zinc antimonate, a new Minas Gerais, Brazil. . se- mineral from Guanajuata, Pectolite-schizolite-serandite .. 1022 Mexico (Switzer, Foshag) ... 6+ ries (Schaller) (:Johannite) (Melkov) 369 Origin of Metamorphic and Meta- Peligotite somatic Rocks (Ramberg) Peng, C. J. Thermal analysis studY (BookReview). ... 135 ofthenakolitegroup.. 834 (Marshall) 325 Orthomagmatic and metasomatic Perlite;devitrificationin to suites, variation diagrams on Petrography, An Introduction Thin triangular coordinates of the Study of Rocks in (Robertson,Goodspeed).... 331 Sections (Williams; Turner, Gilbert)(BookReview). ... 132 Osmium ditelluride, x-ray data.. 650 Phengite, x-ray data 988 Oxydationszone Sulfidischer Lager- Phillips, F. C. The Use of Stereo- stetten (Smirnow) (Book Re- graphic Projection in Struc- view) 939 tural Geology (Book Review) 782 Phosphate minerals of Borborema Pabst, A. Redescription of the pegmatites: I-Patrimonio single layer strucfirre of the (Murdoch) 50 micas.. 967 Photoluminescencein artificial cal- Manganese content of gar- cite, activation of by stannous nets from the Franciscan ion (carlson) 540 schists..... 329,919 Pickup,R. 776 (BookReview)...... 784 Piezobirefringence in diamond Page,L. R...... 330 (Poindexter)...... 1032 Palygorskite, occurrence near Ips- Pinson,W. H. Jr.. 32O wich, Queensland (Rogers, Plagioclase, the determination of Martin. Norrish) 344 composition and thermal his- Papezik, V. S. Heazlewoodite from tory of, by the x-ray powder Miles Ridge, Yukon Terri- method (Goodyear,Duffin). . . 343 tory.. . 692 Plagioclase feldspars, simple Paragonite, stability and occur- method for the determination rence of (Eugster, Yoder) 3l+ of(Foster). .. 179 Paramontroseite (Evans, Mrose) 861 Plagioclasefeldspars, structures of, Parasymplesite (Ito, Minato, Sa- VI. Natural intermediate kurai)..... 368 plagioclases(Gay). . 774 INDEX t171

Plagioclases, soda-rich, powder pat- Pyrophanite, occurrence in Japan terns and lattice parameters of (Lee).. 32 (Smith). 776 Platinum metal tellurides, synthe- Quartz, mosaic structure in sis, structures and properties (Frederickson)..... I of (Groeneveld Meijer).... 646 Poindexter, E. Piezobirefringence Rabbittite, a new uranyl carbonate indiamond...... 1032 from Utah (Thompson, Weeks' Point counter based on the Leitz Sherwood) 201 mechanicalstage(Chayes).... 126 Radioactive compounds,studies of : Polariscope, demonstration (Hurl- Vlll-Uranophane and beta- but)...... 120 uranophane (Gorman, Nuf- Polarizing microscope, a Bertrand- field) . 6s4 Lasaulx slider for (Fisher) 1139 Radioactivity of some recent bot- Polarizing microscope for the opti- tom samples from Lake Pont- cal examination of crystals, an chartrain, Louisiana (Mc- accessoryto(Vincent).... 344 Campbell) 326 Potter, R. A. with Kohn, J. A. and Radiocarbonmeasurements at the Cotter, P. G. Directional hard- U. S. GeologicalSurvey (Suess, ness variation in tungsten car- Rubin). 337 bide (WC) monocrystals 522 Radon leakage from radioactive Pough, F. H. A Field Guide to minerals (Giletti, KulP). . 481 Rocks and Minerals (Book Re- Ramberg, H. The Origin of Meta- view). . 362 morphic and Metasomatic Powderuc-ray spectrometry, a new Rocks (Book Review) 135 method for mounting samples Ramdohr, P. Klockmann's Lehr- for (Holland, Head, Witter, buch der Mineralogie (Book Hess)... .. 761 Review) 134 Practical Refractometry by Means Ramdohr,P..... 138 of the Microscope (Allen) Rammelsbergite from the southern (BookReview)...... 549 uplandsof Scotland(TemPle) . 345 Pre-Cambrian intrusives of central Ramsdell, L. S. The crystallography Texas, magmatic trends and of "coesitett 975 age determinations of (Hutch- (BookReviews) .... . 131,366 inson, Jafie, Gottfried) 321 Rase,D. E. and Roy, R. On the sta- Precision determination of lattice bility and hydrothermal syn- constants of single crystals thesisof benitoite. 542 using the conventional Weis- Raspite, monoclinic PbWOr, r-ray senbergcamera (Christ). . . . 311 study of (Shaw, Claringbull). 933 Principles of Chemical Weathering Redfield,A. C.. . 316 (Keller) (Book Review) . . 940 Reedmergnerite (NazO'BzOg Prior, G. T. Catalogue of Meteor- .6SiOt and eitelite (NarO ites(BookReview) ... 936 'MgO'2COz)' new minerals Problems of Clay and Laterite associatedwith leucosPhenite, -of Genesis (Symposium shortite, searlesite, and cro- A.I.M.E.) (Book Review) .. 363 cidolite in Green River forma- Projector for interference figures tion, Utah (Milton, Axelrod, and for direct rneasurement of Grimaldi) 326 2V (Vincent) 778 Removal of mineral grains from Pyrobelonite, structure of (Donald- thinsections(Wallace)... ..' 927 son,Barnes)...... 580 Rhodium (di?) telluride, x-ray data, 651 rt72 INDEX

Rigby, G. R. The Thin-Section Roy, R. with Rase, D. E. On the Mineralogy of Ceramic Ma- stability and hydrothermal terials (2d edition) (Book Re- synthesisof benitoite. 542 view)..... 136 Rubin,M. 337 Riska,D. D.. ... 1154 Ruby, synthetic, pleochroism in Roberts, E. R. with Thorne, (Denning,Mandarino). .. 1005 P. C. L. Fritz Ephraim's In- Russell,A...... 933 organic Chemistry (Book Re- Ruthenium ditelluride,x-ray data.. 649 view) 1146 Robertson,F.. . 331 Sabina, A. P. with Robinson, S. C. Robertson,R. H. S. A Glossaryof Uraninite and thorianite from Clay Trade Names (Book Re- Ontario and Quebec. 624 view)...... 130 Sakurai,K...... 367,368 Robinson, S. C. and Sabina, A. P. Sanbornite,BaSi2O5, crystal struc- Uraninite and thorianite from tureof(Douglass)...... 313 Ontarioand Quebec..... 624 Sanidine- and orthoclase-perthites Rocks and Mineral Deposits (Nig- (MacKenzie,Smith)...... 325 gli) (Book Review) 131 Sanidine-and orthoclase-perthites, Rodingite from the Girvan-Ballan- phaserelations in (Smith, Mac- trae complex, Ayrshire (Blox- Kenzie)..... 773 ham) 345 Scawtite from Ballycraigy, Larne, Roebling Medal, acceptance of N, Ireland, a chemical, optical (Tilley). . 292 and x-tay study of (Mc- Roebling Medal, presentation of to Connell) .. 510 Cecil Edgar Tilley (Budding- Scawtite frorn Crestmore, Cali- ton). . . 289 fornia (Murdoch) 505 Rogers,J. J. W.. 331 Schairer, J. F. Presentation of the Rogers,L. E.. ... 34+ Mineralogical Societyof Amer- Rdntgenkartei zur Bestimmung ica Award to Hatten S. Yoder, von Ton- und Sedimentmine- Jr...... 295 ralen (Urban) (Book Review) 360 333 Rosenzweig, A. and Gross, E. B. Schaller, W. T. The pectolite- Goldichite, a new hydrous po- schizolite-seranditeseries. ... 1022 tassium ferric sulfate from the and Hildebrand, F. A. A San RaJaelSwell, Utah 331,469 secoDd occurtence of the Ross, C. S. and Smith, R, L. Water mineral sinhalite (2 MgO and otler volatiles in volcanic 'AlzOr'BzOs)..... 453 glasses. 107| Schizolite(Schaller)... .. 1022 Ross, M. with Dwornik, E. Applica- Schmidt, E. R. and Vermaas, tion of the electron microscope F. H, S. Differential thermal to mineralogic studies 261 analysis and cell dimensions of Ross,V. Studiesof uranium miner- some natural magnetites. . . +22 als (XVII): Synthetic Schmidt,R. G.. 333 schroeckingerite,(XXI) : Syn- Schneer,C. J. 333 thetic hydrogen-autunite.. 515,917 Schoep,A.. 942 Rossman,D. L.. 332 Schroeckingerite,synthetic (Ross) 515 Roth, R. S.. . 332 Schuller,A. Die Eigenschaftender Rowland,R.A...... 341 Minerale, Teil II, Mineral- Roy, D. M. and Roy, R, Synthesis chemischeTabellen und Quali- and stability of minerals in the tative-Chemische Nachweis- system MgO-AlzOa-SiOz-HzO 147 verfahren(Book Review).... 549 INDEX 1173

Scotford,D. M.,.. . . 334 phide minerals 658 Screw dislocations and charge bal- -- Lattice dimensionsof cad- ance as factors of crystal mium sulphide... 696 growth (Hendricks) ...... 139 Smith, J. P., Lehr, J. R. andBrown, Senftle,F. E. (Book Review).. 1151 W. E. Crystallography of Sepiolite, the structural scheme of monocalcium and dicalcium (Nagy, Bradley) 329,885 phosphates. 893 Serandite(Schaller).... . 1022 Smith, J. V. and MacKenzie, W. S. Sericites, high silica, polymor- The alkali feldspars: I. Ortho- phism among (Heinrich, Lev- clase-microperthites; II. A inson). 983 simple x-ray technique for the Severginite(Barsanov) . 9+1 study of alkali feldspars . . 707, 733 Sewell,E. C.. 346 325,3+3, 77 3, 77 6 Shaw, D. M. and Harrison, W. D. Smith, R. L. with Ross,C. S.'Water Determination of the mode of and other volatiles in volcanic a metamorphicrock. 614 glasses . .. 1071 Shaw,R. .. 933 Smith,W. C.. 776 Shcherbakovite (Es'kova, Kaza- Smith,W. L.. lI5+ kova)...... 778 Smithson,F. 779 Sherwood,A, M. withWeeks, A. D. Sodalite, luminescence and tene- and Thompson, M. E. Nava- brescence of natural and syn- joite, a new vanadium oxide thetic(Kirk).... 22 from Arizona .. 207 Soil clays, mineralogy of some with Thompson, M. E. and Italian (Lippi-Boncambi,Mac- Weeks, A. D. Rabbittite, a new Kenzie.Mitchell) 779 uranyl carbonate from Utah 201 Solid solution series, relationship 943 between light absorption and Short, N. M.. . . . 309 composition in (Bloss) . J/l Shubnikovite (Nefedov) . 552 Sorita, E.. . JO/ Shurtz, R. F. 335 Southern Africa, a Geographical Silicates, ferromagnesian, the distri- Study: Volume II, Economic bution of major and minor ele- ald Human Geography (Well- ments among some co-existing ington) (Book Review) I 150 (Nickel). 699 Space lattices of the crystalline ele- Sills in the Elkhorn Mountains, ments in relation to the peri- Montana, form and mode of odic table (Tomkeieff)... .. I tJ emplacement of (Smedes) 336 Spodumene-bearing pegmatites, Silverman, E. N.. . . 309 petrology of (Page). 330 Silverman, S. R.. . 335 Spot grinding, a technique for Sinhalite (2 MgO AI2O3'82O3), a finishing rock thin sections second occurrence of tle min- (Willden,Arnold).. .. eral (Schaller, Hildebrand). . . 453 Sr87,abundance of during geologic Skropyshev, A. V.. . . . 368 time (Gast) 317 Slawson, C. B. and Denning, R. M. Staatz, M, H., Murata, K. J. antl Stress and double refraction in Glass, J. J. Variation of com- diamond.... I 135 position and physical proper- Smedes,H. W.. 336 ties of tourmaline with its Po- Smirnow, S. S. Die Oxydationszone sition in the pegmatite. . . . . 789 Sulfidischer Lagerst?itten Staples, L. W. X-ray investigation (Book Review). . . 939 of ferrierite, a zeolite 1095 Smith, F. G. Structure of zinc sul- Steiner, A.. . . tl74 INDEX

Stepanovite(Nefedov). .. 551 System NazO-FeO-SiO2,reconnais- Stern,T.W...... 336,9+3 sance of (Schairer, Yoder, Stevensite, a montmorillonite-type Keene).. 333 mineral showing mixed-layer characteristics (Brindley) .. 239 Tavorite and barbosalite, two new Stieff,L.R... ..336,943 phosphate minerals from Stillwater complex, Montana, rela- Minas Gerais, Brazil (Lind- tions of regional and thermal berg, Pecora). 952 metamorphism near the base Taylor, H. F. W. 933 of (Howland) 320 Taylor,R. 8... 318 Stillwater complex, Montana, Temple,A. K... 345 textural relations of crystal Textures of the Ore Minerals and accumulatesin the ultramafic Their Significance (Edwards) zone of (Jackson) 322 (BookReview)...... 547 Stone,J.. 1154 Thermal waters, isotopic geochem- Stone,R.L...... 780 istry of (Craig,Boato, White) . 313 Strahl,E. O...... 309 Thin-Section Mineralogy of Ce- Strock, L. W. and Brophy, V, A. ramic Materials (2d Edition) Synthetic zinc sulfide polytype (Rigbv)(Book Review)...... 136 crystals.. . . 94 Thompson, M. E. with Weeks, with Buck, D. C. Trimor- A. D. antl Sherwood' A. M. phisminzincsulfitle...... 192 Navajoite, a new vanadium Structural formula of a hydrous oxidefrom Arizona...... 207 'Weeks, amphibole(Nicholls, Zussman) 774 -r A. D. and Sher- Structure Reports for 1950 (Book wood, A. M. Rabbittite' a new Review) 366 uranyl carbonate from Utah.. 201 Strunz, H. Mineralien und Lager- Thorianite and uraninite from On- (Book stAtten in Ostbayern tario and Quebec (Robinson' Review).. . 938 Sabina). 624 370,553 Thorne, P. C. L. and Roberts,E. R- (Watanabe) Suanite .. 941 Fritz Ephraim's Inorganic Sudo,T...... 944 Chemistry(Book Review) ... It46 Suess,H. E.. 337 Tilley, C. E. AccePtance of the Sun,M. S.. . 337,338 RoeblingMetlal...... 292 Switzer, G. Memorial of Magnus Tilton, C. R. 338 Vonsen .. 286 Tischler,M. S'. . 312 and tr'oshag,'W.F. Ordofre- Toman,L. . 341 zite, zinc antimonate, a new J... Tomkeieff,S. I. Coal and Bitumens mineral from Guanajuata, and Related Fossil Substances Mexico. . 64 (BookReview)..'.....'.. . Ll52 Synthesis and stability of minerals Periodic Table of in the system MgO-AlrOr- A New 1A1 the Elements Based on the SiO2-HrO@oy, Roy).. . . . Atom (Book Syntletic ruby, pleochroism in Structure of the 128 (Denning,Mandarino) ...... 1055 Review) System Ca-MgO-COz, studies in (Harker, Tuttle) 319 Tourmaline, variation of comPosi- SystemCaO-VzOs-HzO (Marvin). . 326 tion and PhYsical Properties System MgO-AI2O3-SiOr-II2O,syn- with its position in tle Pegma- tite (Staatz,Murata, Glass). .. 789 thesis and stability of minerals 'W. i:o (Roy, Roy). . l+l Traill, R. J. antl BoYle, R. INDEX 1175

Hawleyite, isometric cadmium view). . 360 sulphide,anewmineral...... 555 Use of Stereographic Projection in Trey, F. and Legat, W. Einftihrung Structural Geology (Phillips) in die Untersuchung der (BookReview)...... 782 Kristallgitter mit Rbntgen- strahlen(Book Review).... 783 van Der Marel,H. W...... 552 Tridymite in igneous and meta- Van Valkenburg,A. Jr...... 339 morphic petrogenesis, signifi- Vapor pressure glycolation of ori- canceof (Black) 345 ented clay minerals (Brunton) 124 Tungsten carbide (WC) mono- Vaughan,F...... 346 crystals, directional hardness Vermaas, F. H. S. with Schmidt' variation in (Kohn, Cotter, E. R. Differential tlermal Potter) 522 analysis and cell dimensions Turner, F. J. with Williams, H. and of some natural magnetites. . . 422 Gilbert, C. M. Petrography, Vertical changes in chemical com- An Introduction to the Study position of a partially weath- Rocks in Thin Sections(Book ered Illinoian till (Leininger, Review) 132 Murray, Neumann)... 324 Tuttle,O.F...... 319 Vertical changes in mineralogical composition of a partially Ulv6spinel (Mogensen,Ramdohr). 138 weatheredIllinoian till (Mur- Universalstage, a new parallelruler ray, Leininger,Neumann).... 328 for adapting for petrofabric V6signi6ite(Guillemin)..... 942 analysis(Kleeman). . 537 Vincent,H. C. G.. . 344,778 Uran. die Metallischen Rohstoffe Vitaliano,C. J.. 339 (Kohl)(BookReview)...... 365 Vladimirite(Nefedov) .. .. 551 Uraninite and tlorianite from On- Volcanic rocks of Cienega, New tario and Quebec (Robinson, Mexico, geochemicalaspect of Sabina). 62+ (Sun,Baldwin)..... 337 Uranite, unit cell dimensions of Volcanic rocks of Saipan, Mariana (Berman) 925 Islands(Schmidt) 333 Uranium in apatite (Altschuler, Volkovite (Nefedov) 551 Clarke, Young) 308 Voltzite, constitutionof (Moss) . . 778 Uranium-lead method of age de- Vonsen, Magnus, memorial of termination, studiesin (trckel- (Switzer). 286 mann, Kulp) 313 Voskuil, W. H. Minerals in World Uranium minerals, studies of lndustry(BookReview)...... 547 (XVII): Synthetic schroeck- ingerite; (XXI): Synthetic Wadeite, structure of (Henshaw). . 77s hydrogen-autunite(Ross). . 515,917 Wadsley, A. D. Hydrohausmannite Uranium orides, some tlermody- and hydrohetaerolite...... 349 namic relations among, and Wairakite, the calcium analogue of their relation to the oxidation analcime, a new zeolite mineral states of the uranium ores of (Steiner)...... tle Colorado plateaus (Gar- Wairakite and non-cubic analcime, rels)...... 317,100+ tc-ray observations on Uranophane and beta-uranophane (Coombs) .. .. (Gorman,Nufreld).... 634 Walker Mineralogical Club. 704 Urban, H. Rijntgenkartei zur Wallace, S. R. Removal of mineral Bestimmung von Ton- und grains from thin sections. . . . . 927 Sedimentmineralen (Book Re- 340 II76 INDEX

Wasserburg,G. J.. . 340 of halloysite. 132 Watanabe,T. 9+1 Winchell, A. N. The Optical Prop- Water and other volatiles in vol- erties of Organic Compounds canic glasses (Ross, Smith) . . 107| (Book Review) 546 Water in silicates,the varying role Wisaksonite (:uranoan thorite) of, as illustrated by hydrous (Hutton) 944 anthophyllite; and on the cor- Witter, G. G. Jr. with Holland, relation of physical properties H. D.. Head. W. B. III and and composition in multi- Hess; G. B. A new method for variate systemsas illustrated mounting samples for powder by anthophyllite (Francis, f,-ray spectrometry 761 Hey) 774 320 Water,role of, in metamorphismof Wolfe, C, W. CryStallographyof rocks in CucamongaCanyon, jadeite crystals from near Calif. (Hsu) 321 Cloverdale, California . 248 Watson, K. D. Kimberlite at Wolff, G.. . . 341 BachelorLake, 565 Wray, L. . 342 'W'avellite Quebec J. spherulites in the Bone Wulfenite symmetry as shown on Valley forrnation of central crystals from Yugoslavia Florida (Bergendahl) .. 497 (Hurlbut). .. 857 Weber.R. H... 338 'Weeks, X-ray Diffraction Procedures for A. D, Thompson, M. E. Polycrystalline and Amor- and Sherwood, A. M. Nava- phous Materials (Klug, Alex- joite, a new vanadium oxide (Book Review) 131 from Arizona 207 ander) powder carnera, precision with Thompson, M. E. and X-ray (Frondel).... 876 Sherwood, A. M. Rabbittite, a new uranyl carbonate from Yarzhemskii,Y. Y. 9+l Utah 201 Yoder, H. S. Jr. Acceptanceof the Weiss,E. J. 341,780 Mineralogical Society of Wellington, J. H. SouthernAfrica, AmericaAward.. 296 a GeographicalStudy: Volume . 314,333,342,343 II, Economic and Human Youell, R. F. 347 Geography(Book Review) 1150 Young,E. J. 308 Wenzelite, Baldaufite (:hureau- lite)(Strunz).... 370 Zeller,E.J..... 342 White,D. 8.. . . JIJ Zies, E. G. and Merwin, H. E. White, J. 346 Analysis of Hamley bornite White Tank quartz monzonite, from Soutl Australia 1001 vertical differentiation in Zinc sulphide minerals, structure of (Rogers)... 331 (Smith). 658 Willden, R. and Arnold, D. C. Spot Zinc sulfide polytype crystals, syn- grinding, a technique for finish- thetic (Strock, Brophy) 94 ing rock thin sections. 357 Zinc sulfide, trimorphism in (Buck, Williams, H., Turner, F. J. and Strock) 192 Gilbert, C. M. Petrography, Zoned plagioclasein metamorphic An Introduction to the Study rocks(Misch). 327 of Rocks in Thin Sections Zur Geologie, Petrographie und (Book Review) 132 Mineralogie des Westharzes Williamson, K. I. with Birrell, K. S. (BookReview)...... 365 and Fieldes, M. Unusual forms Zrrssman,J. 774