American Mineralogist Table of Contents 1973

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Table of Contents Volume 58 - 1973

Numbers 1 and 2
January-February 1973

Mertieite, a new palladium mineral from Goodnews Bay, Alaska Download the Scanned PDF	George A. Desborough, J. J. Finney, and B. F. Leonard 1
Balkanite, Cu₉Ag₅HgS₈, a new mineral from the Sedmochislenitsi mine, Bulgaria Download the Scanned PDF	Vasil A. Atanassov, and Georgi N. Kirov 11
Absorption of iron by platinum capsules in high pressure rock melting experiments Download the Scanned PDF	Russell B. Merrill, and Peter J. Wyllie 16
Electron population analysis of accurate diffraction data. V. Structure and one-center charge refinement of the light-atom mineral kernite, Na₂B₄O₆(OH)₂·3H₂O Download the Scanned PDF	W. F. Cooper, F. K. Larsen, P. Coppens, and R. F. Giese 21
Bracelets and pinwheels: A topological-geometrical approach to the calcium orthosilicate and alkali sulfate structures Download the Scanned PDF	Paul Brian Moore 32
The crystal structures of the humite minerals. IV. Clinohumite and titanoclinohumite Download the Scanned PDF	Keith Robinson, G. V. Gibbs, and Paul H. Ribbe 43
Synthesis and unit cell parameters of Ca-Mg-Fe pyroxenes Download the Scanned PDF	A. C. Turnock, D. H. Lindsley, and J. E. Grover 50
Pyroxene stoichiometry and the breakdown of omphacite Download the Scanned PDF	Bjørn Mysen, and W. L. Griffin 60
The stability of talc Download the Scanned PDF	Owen P. Bricker, H. Wayne Nesbitt, and William D. Gunter 64
X-ray diffraction aspects of montmorillonites Download the Scanned PDF	Rodney Tettenhorst, and Herman E. Roberson 73
Crystallographic data and refractive indices of scapolites Download the Scanned PDF	Horst H. Ulbrich 81
Analcime and K-feldspar in tuffs of the Green River formation, Wyoming Download the Scanned PDF	Jonathan H. Goodwin 93
The crystal structure of elpidite Download the Scanned PDF	Elio Cannillo, Guiseppe Rossi, and Luciano Ungaretti 106
The crystal structure of ezcurrite Download the Scanned PDF	Elio Cannillo, A. Dal Negro, and Luciano Ungaretti 110
Kogarkoite, a new natural phase in the system Na₂SO₄-NaF-NaCl Download the Scanned PDF	Adolf Pabst, and William N. Sharp 116
Critical evaluation of "statistical best fits" to Moessbauer spectra Download the Scanned PDF	Anthony D. Law 128
MINERALOGICAL NOTES Prehnite from the contact metamorphic aureole of the Whin Sill intrusion, Northern England Download the Scanned PDF	Douglas Robinson 132
Determination of structural state of calcic plagioclases by an X-ray powder technique Download the Scanned PDF	Ken F. Scheidegger 134
Addenda to "The effect of cation substitutions on the physical properties of trioctahedral micas" Download the Scanned PDF	Robert M. Hazen, and David R. Wones 137
Zunyite: A Comparison of Neutron- and X-ray-diffraction studies Download the Scanned PDF	S. John Louisnathan, and G. V. Gibbs 138
NEW MINERAL NAMES Download the Scanned PDF	Michael Fleischer 139
BOOK REVIEWS Download the Scanned PDF	142
NOTICES Download the Scanned PDF	144
INSTRUCTIONS TO AUTHORS Download the Scanned PDF	146
LIST OF OFFICERS AND COMMITTEES Download the Scanned PDF	151

Numbers 3 and 4
March-April 1973
Part 1

Contemporaneous basaltic and rhyolitic magmas Download the Scanned PDF	Hatten S. Yoder, Jr. 153
Unusual titanian-chromian spinels from the Eastern Bushveld Complex Download the Scanned PDF	Eugene N. Cameron, and Everett D. Glover 172
Chromian-aluminian magnetite and two rhodium alloys in a platinum nugget from Goodnews Bay, Alaska Download the Scanned PDF	Kenneth G. Snetsinger 189
Sulfides in eclogite nodules from a kimberlite pipe, South Africa, with comments on violarite stoichiometry Download the Scanned PDF	George A. Desborough, and Gerald K. Czamanske 195
The crystal structure of maucherite (Ni₁₁As₈) Download the Scanned PDF	Michael E. Fleet 203
The crystallography and structure of eitelite, Na₂Mg(CO₃)₂ Download the Scanned PDF	Adolf Pabst 21l
A reinvestigation of the epidote structure: Confirmation of the iron location Download the Scanned PDF	Eric J. Gabe, Jan C. Portheine, and Simon H. Whitlow 218
Nuclear magnetic resonance of ¹H, ⁷Li, ¹¹B, ²³Na and ²⁷Al in tourmaline (elbaite) Download the Scanned PDF	Tung Tsang, and Subrata Ghose 224
Crystal structure refinement and optical properties of a Ti³⁺ fassaite from the Allende meteorite Download the Scanned PDF	Eric Dowty, and Joan R. Clark 230
Combined electron microscopy and analysis of an orthopyroxene Download the Scanned PDF	G. W. Lorimer, and P. E. Champness 243
Crystal structure analysis of synthetic fluorophlogopite Download the Scanned PDF	James W. McCauley, R. E. Newnham, and G. V. Gibbs 249
The high temperature stability of muscovite plus quartz Download the Scanned PDF	Howard W. Day 255
The structures of monoclinic potassium-rich feldspars Download the Scanned PDF	Michael W. Phillips, and Paul H. Ribbe 263
Factors governing the stability of plagioclase at high pressures as shown by spinel-gabbro xenoliths from the Kerguelen Archipelago Download the Scanned PDF	Alexander R. McBirney, and Ken-ichiro Aoki 271
Analcime: Free energy from hydrothermal data. Implications for phase equilibria and thermodynamic quantities for phases in NaAlO₂-SiO₂-H₂O Download the Scanned PDF	Alan Bruce Thompson 277
First reported occurrence of zeolites in sedimentary rocks of Mexico Download the Scanned PDF	Frederick A. Mumpton 287
The fluorine content and some physical properties of the amblygonite montebrasite minerals Download the Scanned PDF	Iva Cerna, Petr Cerny and Robert B. Ferguson 291
Hureaulite, Mn²⁺₅(H₂O)₄[PO₃(OH)]₂[PO₄]₂: Its atomic arrangement Download the Scanned PDF	Paul Brian Moore, and Takaharu Araki 302
Kernite from Tincalayu, Salta, Argentina Download the Scanned PDF	C. S. Hurlbut, Jr., L. F. Aristarain, and R. C. Erd 308
The copiapite problem: The crystal structure of a ferrian copiapite Download the Scanned PDF	Luca Fanfani, Antonio Nunzi, Pier Francesco Zanazzi, and Anna Rosa Zanzari 314
Gypsum-anhydrite equilibria in systems CaSO₄-H₂O and CaSO₄-NaCl-H₂O Download the Scanned PDF	Charles W. Blount, and Frank W. Dickson 323
Myrmekites from the Haast Schists, New Zealand Download the Scanned PDF	David Shelley 332
MINERALOGICAL NOTES Hydrothermal growth of magnesite single crystals Download the Scanned PDF	Ki Dong Oh, Hideki Morikawa, Shin'ichi Iwai, and Hideki Aoki 339
Synthesis of benstonite at room temperature Download the Scanned PDF	William C. Hood, and Peter F. Steidl 341
New data on forsterite and monticellite solid solutions Download the Scanned PDF	Houng-Yi Yang 343
Apatite chemistry and phosphorus fugacity in a differentiated intrusion: Correction Download the Scanned PDF	W. P. Nash 345
Melanophlogite from Mount Hamilton, Santa Clara County, California: Erratum Download the Scanned PDF	J. F. Cooper, Jr., and G. E. Dunning 346
Correction; the Crystal Structures of the Humite Minerals. IV. Clinohumite and Titanoclinohumite Download the Scanned PDF	Keith Robinson, G V Gibbs, and Paul H. Ribbe 346
NEW MINERAL NAMES Download the Scanned PDF	Michael Fleischer 347
BOOK REVIEWS Download the Scanned PDF	349
NOTICES Download the Scanned PDF	350

Part 2

AWARDS Presentation of the Roebling Medal of the Mineralogical Society of America for 1972 to Elburt F. Osborn Download the Scanned PDF	Arnulf Muan 351
Acceptance of the Roebling Medal of the Mineralogical Society of America for 1972 Download the Scanned PDF	E. F. Osborn 353
Presentation of the Mineralogical Society of America Award for 1972 to Arthur L. Boettcher Download the Scanned PDF	Peter J. Wyllie 355
Acceptance of the Mineralogical Society of America Award for 1972 Download the Scanned PDF	A. L. Boettcher 357
MEMORIALS Download the Scanned PDF	359
Memorial of Tom. F. W. Barth Download the Scanned PDF	F. W. Dickson, and K. B. Krauskopf 360
Memorial of Alan Mara Bateman Download the Scanned PDF	Walter S. White 364
Memorial of Donnel Foster Hewett Download the Scanned PDF	Charles A. Anderson 367
Memorial of Colin Osborne Hutton Download the Scanned PDF	W. C. Luth, and R. G. Coleman 369
Memorial of Arthur William Gerald Kingsbury Download the Scanned PDF	Peter G. Embrey 372
Memorial of Maharajapuram Sitaram Krishnan Download the Scanned PDF	A. P. Subramaniam 375
Memorial of Purama Rangashayee Jagapathi Naidu Download the Scanned PDF	M. N. Viswanathiah 377
Memorial of Walter Harry Newhouse Download the Scanned PDF	G. W. DeVore 380
Memorial of Francisco Pardillo Download the Scanned PDF	Jose L. Amorós 383
Memorial of Robert L. Stone Download the Scanned PDF	Richards A. Rowland 384
Memorial of Samuel Weidman Download the Scanned PDF	Joan R. Clark, G. F. Hanson, and Charles J. Matakin 387
PROCEEDINGS Download the Scanned PDF Proceedings of the Fifty-third Annual Meeting of the Mineralogical Society of America	Joan R. Clark 389
Report of the Secretary for 1972	Joan R. Clark 392
Report of the Treasurer for 1972	Akin Van Valkenburg 393
Report of Audit	395
Report of the Financial Advisory Committee for 1972	395
Report of the Editors for 1972	William T. Holser, and F. Donald Bloss 397
List of Former Officers and Meeting Places	400
LIST OF OFFICERS AND COMMITTEES	403

Numbers 5 and 6
May-June 1973

Cavansite and pentagonite, new dimorphous calcium vanadium silicate minerals from Oregon Download the Scanned PDF	Lloyd W. Staples, Howard T. Evans, Jr., and James R. Lindsay 405
The crystal structures of cavansite and pentagonite Download the Scanned PDF	Howard T. Evans, Jr. 412
Composition variation and polymorphism of tetrahedrite in the Cu-Sb-S system below 400°C Download the Scanned PDF	Kiyoaki Tatsuka, and Nobuo Morimoto 425
The crystal structure of parkerite (Ni₃Bi₂S₂) Download the Scanned PDF	Michael E. Fleet 435
Application of Ro and At measurements to the study of pyrrhotite and troilite Download the Scanned PDF	Robert H. Carpenter, and Arthur C. Bailey, Jr. 440
The polarized spectra of iron in silicates. I. Enstatite Download the Scanned PDF	W. Alan Runciman, Dipankar Sengupta, and Marc Marshall 444
The polarized spectra of iron in silicates. II. Olivine Download the Scanned PDF	W. Alan Runciman, Dipankar Sengupta, and J. Terry Gourley 451
High-temperature activity-composition relations of equilibrium spinels, olivines, and pyroxenes in the system Mg-Fe-O-SiO₂ Download the Scanned PDF	Ralph H. Nafziger 457
The crystal structure of latiumite, a new type of sheet silicate Download the Scanned PDF	Elio Carinillo, A. Dal Negro, and Giuseppe Rossi 466
Hydroxyl orientation in kaolinite, dickite, and nacrite Download the Scanned PDF	R. F. Giese, Jr., and P. Datta 471
A crystal-chemical study of synthetic magnesiohastingsite Download the Scanned PDF	Michel P. Semet 480
Tetrahedral bond length variations in anorthite Download the Scanned PDF	Michael W. Phillips, Paul H. Ribbe, and G. Y. Gibbs 495
Neutron diffraction refinement of an ordered orthoclase structure Download the Scanned PDF	Edward Prince, Gabrielle Donnay, and R. F. Martin 500
Water content of some nominally anhydrous silicates Download the Scanned PDF	R. W. T. Wilkins, and William Sabine 508
New locality, formula, and proposed structure for reyerite Download the Scanned PDF	Stephen C. Clement, and Paul H. Ribbe 517
The crystal structure of tincalconite Download the Scanned PDF	Carmelo Giacovazzo, Silvio Menchetti, and Fernando Scordari 523
A reexamination of minasragrite Download the Scanned PDF	Marie Lindberg Smith, and John Marlnenko 531
Crystal structures and mineral chemistry of hydrated ferric sulphates. III. The crystal structure of kornelite Download the Scanned PDF	Paul D. Robinson, and Jen H. Fang 535
MINERALOGICAL NOTES Speculation on an order-disorder transformation in omphacite Download the Scanned PDF	Pamela E. Champness 540
Etching of pyroxenes and their exsolution lamellae Download the Scanned PDF	Robert T. Miller, and Anthony R. Philpotts 543
Yttrialite and uraninite, additional minerals from the Rode Ranch pegmatite, Central Mineral Region, Texas Download the Scanned PDF	Rodney C. Ewing, and Arthur J. Ehlmann 545
Thermal decomposition of dawsonite Download the Scanned PDF	Charles W. Huggins, and Thomas E. Green 548
Refinement of the callaghanite structure Download the Scanned PDF	George Brunton 551
Crystal data and formula for hydrous tin (II) oxide: A note Download the Scanned PDF	R. Alan Howie, and Wolf Moser 552
The preparation of oriented clay mineral specimens for X-ray diffraction analysis by a filter-membrane peel technique Download the Scanned PDF	James I. Drever 553
Compositions of natural silfimanites from volcanic inclusions and metamorphic rocks: A discussion Download the Scanned PDF	Hubert P. Zeck 555
Compositions of natural sillimanites from volcanic inclusions and metamorphic rocks: A reply Download the Scanned PDF	Teunis Kwak 558
NEW MINERAL NAMES Download the Scanned PDF	Michael Fleischer 560
BOOK REVIEWS Download the Scanned PDF	563
NOTICES Download the Scanned PDF	570
CONSTITUTION OF THE MINERALOGICAL SOCIETY OF AMERICA LIST OF OFFICERS AND COMMITTEES Download the Scanned PDF	573

Numbers 7 and 8
July--August 1973

PART 1: HIGH TEMPERATURE CRYSTAL CHEMISTRY High-temperature crystal chemistry of hortonolite Download the Scanned PDF	Gordon E. Brown, and C. T. Prewitt 577
The crystal structures of forsterite and hortonolite at several temperatures up to 900°C Download the Scanned PDF	Joseph R. Smyth, and Robert M. Hazen 588
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite, spodumene, and ureyite Download the Scanned PDF	Maryellen Cameron, Shigeho Sueno, C. T. Prewitt, and J. J. Papike 594
Delineation of the one atmosphere augite-pigeonite miscibility gap for pyroxenes from lunar basalt 12021 Download the Scanned PDF	Malcolm Ross, J. S. Huebner, and Eric Dowty 619
An orthopyroxene structure up to 850°C Download the Scanned PDF	Joseph R. Smyth 636
The high temperature crystal chemistry of tremolite Download the Scanned PDF	Shigeho Sueno, Maryellen Cameron, J. J. Papike, and C. T. Prewitt 649
The anorthite crystal structure at 410 and 830°C Download the Scanned PDF	Franklin F. Foit, Jr., and Donald R. Peacor 665
High-temperature, single-crystal X-ray study of natrolite Download the Scanned PDF	Donald R. Peacor 676
The crystal structure of beta eucryptite as a function of temperature Download the Scanned PDF	William W. Pillars, and Donald R. Peacor 681
Crystal-structure refinement of cubic boracite Download the Scanned PDF	Shigeho Sueno, Joan R. Clark, J. J. Papike, and Judith A. Konnert 691
A new single-crystal heater for the precession camera and four-circle diffractometer Download the Scanned PDF	Gordon E. Brown, Shigeho Sueno, and C. T. Prewitt 698
PART II Composition and structural state of K-feldspars from K-feldspar + sillimanite grade rocks in northwestern Maine Download the Scanned PDF	Charles V. Guidotti, H. H. Herd, and C. L. Tuttle 705
Wood opal-A tridymite-like mineral Download the Scanned PDF	Richard S. Mitchell, and Susan Tufts 717
Al-rich pargasite Download the Scanned PDF	Theodore E. Bunch, and Martin Okrusch 721
The toughness of jade Download the Scanned PDF	Richard C. Bradt, Robert E. Newnham, and J. V. Biggers 727
Nickel minerals from Barberton, South Africa: VI. Liebenbergite, a nickel olivine Download the Scanned PDF	Sybrand A. de Waal, and Lewis C. Calk 733
Crystal chemistry of the system Na₂SO₄-K₂SO₄-K₂CrO₄-Na₂CrO₄ and of the glaserite phase Download the Scanned PDF	Walter Eysel 736
Structural dependence of quadrupole coupling constant e²qQ/h for ²⁷Al and crystal field parameter D for Fe³⁺ in aluminosilicates Download the Scanned PDF	Subrata Ghose, and Tung Tsang 748
Effect of variations in O-P-O and P-O-P angles on P-O bond overlap populations for some selected ortho- and pyrophosphates Download the Scanned PDF	George A. Lager, and G. V. Gibbs 756
Molecular orbital calculations on beryllium and boron oxyanions: Interpretation of X-ray emission, ESCA, and NQR spectra and of the geochemistry of beryllium and boron Download the Scanned PDF	David J. Vaughan, and John A. Tossell 765
Drift of Pt/Pt10Rh and W3Re/W25Re thermocouples in single stage piston-cylinder apparatus Download the Scanned PDF	D. C. Presnall, N. L. Brenner, and T. H. O'Donnell 771
Gaylussite: Thermal properties by simultaneous thermal analysis Download the Scanned PDF	Donald R. Johnson, and William A. Robb 778
Stability of the assemblage muscovite-calcite-quartz Download the Scanned PDF	David A. Hewitt 785
MINERALOGICAL NOTES X-ray "powder" data for chalcophyllite Download the Scanned PDF	Ronald K. Corbett 792
Hematite to goethite surface weathering. Scanning electron microscopy Download the Scanned PDF	Federico Bedarida, F. Flamini, O. Grubessi, and G. M. Pedemonte 794
Determination of the high-low inversion in berlinite (AlPO₄) to 6 kbar Download the Scanned PDF	Lewis H. Cohen, and William Klement, Jr. 796
The crystal structure of hanksite Download the Scanned PDF	Takaharu Araki, and Tibor Zoltai 799
Myrmekites from the Haast Schists, New Zealand: A discussion Download the Scanned PDF	Evan R. Phillips 802
Myrmekites from the Haast Schists, New Zealand: A reply Download the Scanned PDF	David Shelley 804
NEW MINERAL NAMES Download the Scanned PDF	Michael Fleischer 805
BOOK REVIEWS Download the Scanned PDF	808
NOTICE Download the Scanned PDF	810
ERRATA	810
LIST OF OFFICERS AND COMMITTEES Download the Scanned PDF	811

Numbers 9 and 10
September--October 1973

The petrochemistry of a unique cordierite-bearing lava from St. Helena Island, South Atlantic Download the Scanned PDF	W. Ian Ridley, and Ian Baker 813
Scandium geochemistry of the Oka carbonatite complex, Oka, Quebec Download the Scanned PDF	G. Nelson Eby 819
Titanian chromite and chromian titanomagnetite from a Snake River Plain basalt, a terrestrial analogue to lunar spinels Download the Scanned PDF	Robert N. Thompson 826
Ferroan gahnite from quartz-biotite-almandine schist, Wind River Mountains, Wyoming Download the Scanned PDF	B. Ronald Frost 831
Jamborite: a new nickel hydroxide mineral from the northern Apennines, Italy Download the Scanned PDF	N. Morandi, and G. Dalrio 835
Zoned garnet from Crested Butte, Colorado Download the Scanned PDF	Peter Lessing, and Richard P. Standish 840
Clinopyroxene lattice deformations: The roles of chemical substitution and temperature Download the Scanned PDF	Yoshikazu Ohashi, and Charles W. Burnham 843
Mössbauer spectra of synthetic hedenbergite-ferrosilite pyroxenes Download the Scanned PDF	Eric Dowty, and D. H. Lindsley 850
Meteoritic amphiboles Download the Scanned PDF	Edward Olsen, J. Stephen Huebner, J. A. V. Douglas, and A. G. Plant 869
Calcic and alkali amphiboles from the Golden Horn batholith, North Cascades, Washington Download the Scanned PDF	Robert J. Stull 873
The crystal structure and bonding of fluor-tremolite: a comparison with hydroxyl tremolite Download the Scanned PDF	Maryellen Cameron, and R. V. Gibbs 879
The crystal structures of one-layer phlogopite and annite Download the Scanned PDF	Robert M. Hazen, and Charles W. Burnham 889
Present-day deposition of lepidolite from thermal waters in Yellowstone National Park Download the Scanned PDF	Keith E. Bargar, Melvin H. Beeson, Robert O. Fournier, and L. J. Patrick Mufler 901
Non-linear variation of cell parameters with composition in alkali feldspar series Download the Scanned PDF	Thomas A. Vogel, Robert Ehrlich, and William C. Luth 905
A refinement of the crystal structure of datolite, CaBSiO₄(OH) Download the Scanned PDF	Franklin F. Foit, Jr., M. W. Phillips, and G. V. Gibbs 909
Synthesis of antigorite Download the Scanned PDF	Kazuaki Iishi, and Motoiki Saito 915
The role of carbon film thickness in electron microprobe analysis Download the Scanned PDF	Derrill M. Kerrick, Leland B. Eminhizer, and James F. Villaume 920
Preparation of thin films of greigite, Fe₃S₄, and its preferred orientation on a sodium chloride crystal Download the Scanned PDF	Hiromoto Nakazawa, T. Osaka, and K. Sakaguchi 926
Positive and negative striations in pyrite Download the Scanned PDF	Yuji Endo, and Ichiro Sunagawa 930
Synthetic argentojarosite: Physical properties and thermal behavior Download the Scanned PDF	Alexander May, J. J. Sjoberg, and E. G. Baglin 936
MINERALOGICAL NOTES Vickers hardness and reflectance determinations for metamict AB₂O₆-type rare earth Ti-Nb-Ta oxides Download the Scanned PDF	Rodney C. Ewing 942
Hexagonal CaAl₂SiO₆: A new synthetic phase Download the Scanned PDF	R. James Kirkpatrick, and Ian M. Steele 945
The Peierls force in crystalline quartz Download the Scanned PDF	Kenneth H. G. Ashbee 947
New X-ray and compositional data for farringtonite, Mg₃(PO₄)₂ Download the Scanned PDF	Louis H. Fuchs, Edward Olsen, and Elizabeth Gebert 949
Cu-Fe-S phases in lunar rocks Download the Scanned PDF	Lawrence A. Taylor, and Kenneth L. Williams 952
Visible-region absorption spectra of a Ti ³⁺ fassaite from the Allende meteorite: A discussion Download the Scanned PDF	Roger G. Burns, and Frank E. Huggins 955
Crystal-structure refinement and optical properties of a Ti³⁺ fassaite from the Allende meteorite: Reply Download the Scanned PDF	Eric Dowty, and Joan R. Clark 962
ERRATA Download the Scanned PDF	965
NEW MINERAL NAMES Download the Scanned PDF	Michael Fleischer 966
BOOK REVIEWS Download the Scanned PDF	968
NOTICES Download the Scanned PDF	974
LIST OF OFFICERS AND COMMITTEES Download the Scanned PDF	976

Numbers 11 and 12
November-December 1973

Subsolidus phase relations in aragonite-type carbonates. III. The systems MgCO₃-CaCO₃-BaCO₃, MgCO₃-CaCO₃-SrCO₃, and MgCO₃-SrCO₃-BaCO₃ Download the Scanned PDF	William R. Brice, and Luke L. Y. Chang 979
Origin of sector-zoning of igneous clinopyroxenes Download the Scanned PDF	Yasuo Nakamura 986
"Mobile" components in the formation of calc-silicate bands Download the Scanned PDF	Rosemary J. Vidale, and David A. Hewitt 991
Two-phase data for the join monticellite (CaMgSiO₄)-forsterite (Mg₂SiO₄): Experimental results and numerical analysis Download the Scanned PDF	Richard D. Warner, and William C. Luth 998
Calculation of binary solvi with special reference to the sanidine-high albite solvus Download the Scanned PDF	William C. Luth, and Philip M. Fenn 1009
Gibbs free energies of formation calculated from dissolution data using specific mineral analyses. II. Plagioclase feldspars Download the Scanned PDF	Wen H. Huang, and Wen C. Kiang 1016
Gibbs free energies of formation calculated from dissolution data using specific mineral analyses. III. Clay minerals Download the Scanned PDF	Wen H. Huang, and Walter D. Keller 1023
The crystal structure of magnesite Download the Scanned PDF	Ki Dong Oh, Hideki Morikawa, Shin'ichi Iwai, and Hideki Aoki 1029
The crystal structure of teruggite Download the Scanned PDF	Alberto Dal Negro, Isik Kumbasar, and Luciano Ungaretti 1034
A field test for molecular sieve zeolites Download the Scanned PDF	Ali Culfaz, Charles A. Keisling, and Leonard B. Sand 1044
"Blue Dragon" basalt from Craters of the Moon National Monument, Idaho: Origin of color Download the Scanned PDF	Gordon H. Faye, and Roy M. Miller 1048
Computer determination of 2V and indicatrix orientation from extinction data Download the Scanned PDF	F. Donald Bloss, and Dean Riess 1052
MINERALOGICAL NOTES Reflectance spectra of gypsum sand from the White Sands National Monument and basalt from a nearby lava flow Download the Scanned PDF	James D. Lindberg, and Michael S. Smith 1062
Hetaerolite from the Rodna base metal ore deposit: A new occurrence (HTML Version) Download the Scanned PDF	George Udubasa, Joachim Ottemann, and George Agiorgitis 1065
Behavior of X-ray mass absorption coefficients near absorption edges: Reynolds' method revisited Download the Scanned PDF	David Walker 1069
Compton-scattered tungsten X-rays as a measure of mass absorption coefficients in rocks Download the Scanned PDF	Stephen E. DeLong, and Doug McCullough 1073
Paragonite contents of coexisting, but texturally different, muscovites from pelitic schists of the Puzzle Mountain area, Maine Download the Scanned PDF	John T. Cheney, and Charles V. Guidotti 1076
Unit cell and X-ray-powder data for metasideronatrite Download the Scanned PDF	Joseph J. Finney 1080
The use of millipore filters in the preparation of scanning electron microscope mounts of particles less than 20 micrometers Download the Scanned PDF	Garth H. Ladle, and David S. McKay 1082
New diluents in heavy liquid mineral separation and an improved method for the recovery of the liquids from the washings Download the Scanned PDF	Lodewijk IJlst 1084
A laboratory overflow-centrifuge for heavy liquid mineral separation Download the Scanned PDF	Lodewijk IJlst 1088
An improved method for rapid, low loss density separations with heavy liquids Download the Scanned PDF	Jeffrey R. Basford, and M. R. Coscio 1094
Abstracts, American Crystallographic Association, Sessions on Mineralogical Crystallography, 1972 and 1973 Download the Scanned PDF	1096
NEW MINERAL NAMES Download the Scanned PDF	Michael Fleischer 1111
BOOK REVIEWS Download the Scanned PDF	1116
NOTICES Download the Scanned PDF	1120
INDEX TO VOLUME 58 Download the Scanned PDF	1121
LIST OF OFFICERS AND COMMITTEES	1151