American Mineralogist
REGULAR ARTICLE
403 Classification and nomenclature of the pyrochlore group
416 Zektzerite, a new lithium sodium zirconium silicate related to tuhualite and the osumilite group
421 Christite, a new thallium mineral from the Carlin gold deposit, Nevada
426 Minor-element abundances in obsidian, perlite, and felsite of cale-alkalic rhyolites
438 Distribution of titanium between coexisting muscovite and biotite in pelitic schists from northwestern Maine
449 Eardleyite as a product of the supergene alteration of nickel sulfides in Western Australia
458 A reinvestigation of takovite, a nickel aluminum hydroxy-carbonate of the pyroaurite group
465 The role of fluid inclusions in the exsolution of clinopyroxene in bustamite from Broken Hill, New South Wales, Australia
475 Titanium-containing silicate garnets. I. The distribution of Al, Fe3+, and Ti4+ between octahedral and tetrahedral sites
491 The crystal chemistry of the hydrous copper silicates, shattuckite and plancheite
503 Rosenhahnite, Ca3Si3O8(OH)2: crystal structure and the stereochemical configuration of the hydroxylated trisilicate group, [Si3O8(OH)2]
513 Holdenite, a novel cubic close-packed structure
522 On the nature of synthetic blue diopside crystals: the stabilization of tetravalent chromium
528 Mechanisms of transformation and twinning in gillespite at high pressure
534 Estimation of K-O distance and tetrahedral rotation angle of K-micas from far-infared absorption spectral data
540 Structural transformations in natural ZnS
547 Mössbauer spectroscopy of grandidierite, (Mg,Fe)Al3BSiO9
554 Linear compressibilities of low albite: high-pressure structural implications
559 Infrared spectrum of analyzed samples of the amblygonite-montebrasite series: a new rapid, semi-quantitative determination of fluorine
565 The decarbonation of carbonate-fluorapatite (francolite)
574 Hydrothermal mineralogy of Keolu Hills, Oahu, Hawaii
583 Mineral inclusions in an Arkansas diamond
587 Rare accessory uraninite in a Sierran granite
589 A unique green quartz
591 The uniaxial negative wave surface – a simple teaching aid
604 Acceptance of the Roebling Medal of the Mineralogical Society of America for 1976
606 Acceptance of the Mineralogical Society of America Award for 1976
617 Lists of Former Officers and Meeting Places
AWARD
603 Presentation of the Roebling Medal of the Mineralogical Society of America for 1976 to Carl W. Correns
606 Presentation of the Mineralogical Society of America Award for 1976 to Friedrich A. Seifert
NEW MINERAL NAMES
593 NEW MINERAL NAMES
NOTES
602 NOTICES
BOOK REVIEW
601 BOOK REVIEWS
PROCEEDINGS
411 Report of the I.M.A.-I. U.Cr. Joint Committee on Nomenclature
610 Proceedings of the Fifty-Seventh Annual Meeting of the Mineralogical society of America in Denver, Colorado
620 List of Officers and Committees
MEMORIAL
608 Memorial of Charles Irvin Rich, 1918-1975
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.