American Mineralogist
REGULAR ARTICLE
231 Lunar mineralogy: A heavenly detective story Presidential Address, Part I.
244 Crystal field spectrum of Ni2+ in olivine
249 Baddeleyite (ZrO2) in gabbroic rocks from Axel Heiberg Island, Canadian Arctic Archipelago
254 Pyrophyllite solid solutions in the system Al2O3-SiO2-H2O
261 Synthetic sodium phlogopite and its two hydrates: stabilities, properties, and mineralogic implications
274 Visible and near infrared absorption coefficients of kaolinite and related clays
280 Contribution to pegmatite phosphate giant crystal paragenesis: II. The crystal chemistry of wyllieite, Na2Fe2+2Al[PO4]3, a primary phase
291 The crystal structure of jagowerite: BaAl2P2O8(OH)2
296 Reexamination of synthetic parkerite and shandite
302 Hypogene and supergene cobalt-copper sulfides, Carrizal Alto, Atacama, Chile
307 Sulvanite from Thorpe Hills, Utah
314 Oxygen fugacity geothermometry of the Oka carbonatite
319 The electronic structure of rutile, wustite, and hematite from molecular orbital calculations
335 The crystal structure of ussingite
341 A comparison of bonding effects in ussingite and low albite
345 Experimental study on the polymorphism of enstatite
353 Synthesis, properties, and structure of K2Ca(CO3)2, buetschliite
359 A simple method for the measurement of biabsorption coefficients in pleochroic crystals using a normal petrological microscope
365 Stabilities of kaolinite and halloysite in relation to weathering of feldspars and nepheline in aqueous solution
374 Inverted clinobronzite in eastern Connecticut diabase
378 Accessory thorianite from the massifs of alkaline rocks and carbonatites of the Turja Peninsula (Kola Peninsula)
AWARD
393 AWARDS Presentation of the Roebling Medal of the Mineralogical Society of America for 1973 to George Tunell
NEW MINERAL NAMES
381 NEW MINERAL NAMES
MINERALOGICAL NOTES
372 MINERALOGICAL NOTES The unit cell of volborthite
NOTES
392 NOTICES
BOOK REVIEW
385 BOOK REVIEWS
PROCEEDINGS
438 PROCEEDINGS Proceedings of the Fifty-fourth Annual Meeting of the Mineralogical Society of America
454 LIST OF OFFICERS AND COMMITTEES
MEMORIAL
402 MEMORIALS Memorial of Edward Henry Kraus
404 Memorial of William Frank Bradley
408 Memorial of Sir (William) Lawrence Bragg
411 Memorial of Kent Combs Brannock
414 Memorial of Martin L. Ehrmann
415 Memorial of Harry Hammond Hess
417 Memorial of Thomas Newkirk McVay
420 Memorial of William Thomas Pecora
424 Memorial of James Robert Smith
427 Memorial of Cecil Edgar Tilley
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.