American Mineralogist
REGULAR ARTICLE
153 Contemporaneous basaltic and rhyolitic magmas
172 Unusual titanian-chromian spinels from the Eastern Bushveld Complex
189 Chromian-aluminian magnetite and two rhodium alloys in a platinum nugget from Goodnews Bay, Alaska
195 Sulfides in eclogite nodules from a kimberlite pipe, South Africa, with comments on violarite stoichiometry
203 The crystal structure of maucherite (Ni11As8)
211 The crystallography and structure of eitelite, Na2Mg(CO3)2
218 A reinvestigation of the epidote structure: Confirmation of the iron location
224 Nuclear magnetic resonance of 1H, 7Li, 11B, 23Na and 27Al in tourmaline (elbaite)
230 Crystal structure refinement and optical properties of a Ti3+ fassaite from the Allende meteorite
243 Combined electron microscopy and analysis of an orthopyroxene
249 Crystal structure analysis of synthetic fluorophlogopite
255 The high temperature stability of muscovite plus quartz
263 The structures of monoclinic potassium-rich feldspars
271 Factors governing the stability of plagioclase at high pressures as shown by spinel-gabbro xenoliths from the Kerguelen Archipelago
277 Analcime: Free energy from hydrothermal data. Implications for phase equilibria and thermodynamic quantities for phases in NaAlO2-SiO2-H2O
287 First reported occurrence of zeolites in sedimentary rocks of Mexico
291 The fluorine content and some physical properties of the amblygonite montebrasite minerals
302 Hureaulite, Mn2+5(H2O)4[PO3(OH)]2[PO4]2: Its atomic arrangement
308 Kernite from Tincalayu, Salta, Argentina
314 The copiapite problem: The crystal structure of a ferrian copiapite
323 Gypsum-anhydrite equilibria in systems CaSO4-H2O and CaSO4-NaCl-H2O
332 Myrmekites from the Haast Schists, New Zealand
341 Synthesis of benstonite at room temperature
343 New data on forsterite and monticellite solid solutions
345 Apatite chemistry and phosphorus fugacity in a differentiated intrusion: Correction
346 Correction; the Crystal Structures of the Humite Minerals. IV. Clinohumite and Titanoclinohumite
346 Melanophlogite from Mount Hamilton, Santa Clara County, California: Erratum
353 Acceptance of the Roebling Medal of the Mineralogical Society of America for 1972
357 Acceptance of the Mineralogical Society of America Award for 1972
AWARD
351 AWARDS Presentation of the Roebling Medal of the Mineralogical Society of America for 1972 to Elburt F. Osborn
355 Presentation of the Mineralogical Society of America Award for 1972 to Arthur L. Boettcher
NEW MINERAL NAMES
347 NEW MINERAL NAMES
MINERALOGICAL NOTES
339 MINERALOGICAL NOTES Hydrothermal growth of magnesite single crystals
NOTES
350 NOTICES
BOOK REVIEW
349 BOOK REVIEWS
PROCEEDINGS
389 PROCEEDINGS Proceedings of the Fifty-third Annual Meeting of the Mineralogical Society of America
MEMORIAL
359 MEMORIALS
360 Memorial of Tom. F. W. Barth
364 Memorial of Alan Mara Bateman
367 Memorial of Donnel Foster Hewett
369 Memorial of Colin Osborne Hutton
372 Memorial of Arthur William Gerald Kingsbury
375 Memorial of Maharajapuram Sitaram Krishnan
377 Memorial of Purama Rangashayee Jagapathi Naidu
380 Memorial of Walter Harry Newhouse
383 Memorial of Francisco Pardillo
384 Memorial of Robert L. Stone
387 Memorial of Samuel Weidman
TABLE OF CONTENTS
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SPECIAL COLLECTIONS
Table of Contents
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American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.