American Mineralogist
REGULAR ARTICLE
1509 A new mineral: Brezinaite, Cr3S4, and the Tucson meteorite
1519 Olsascherite, Pb2(SO4)(SeO4), anew mineral from Bolivia
1528 Oxygen coordination and the Si-O bond
1540 Refinement of an intermediate microline structure
1546 Structural variations in idocrase
1551 Slip systems in quartz I. Experiments
1574 Slip systems in quartz. II. Interpretation
1583 Unit cell of magadiite in air, in vacuo and under other conditions
1592 Free energy of formation of pyrophyllite from hydrothermal data: Values, discrepancies and implications
1607 Synthetic phillipsite
1613 Infrared study of sepiolite and palygorskite on heating
1625 Fixation of hydroxy-aluminum by montmorillonite
1635 Intracrystalline swelling of montmorillonite in some water-organic mixtures (Clay organicstudies XVII)
1645 Occurrence of cordierite and aluminous orthoenstatite in the Allende meteorite
1654 Electron microprobe analysis of zoned melanites
1662 Some zoned garnets from the greenschist facies
1678 Yttrian spessartine from Suishoyama, Fukushima Prefecture, Japan
1684 Copper and copper-iron sulfides as the initial products of supergene oxidation, Copiapó mining district northern Chile
1711 Partitioning of fluoride between solution and apatite
1720 Beyerite from Bisundni pegmatite, Bhilwara District, Rajasthan, India
1728 Measurement of the distortion index (delta) of cordierite
1732 Thermal effects of shear in opposed-anvil high-pressure devices
NEW MINERAL NAMES
1737 New Mineral Names
MINERALOGICAL NOTES
1726 MINERALOGICAL. NOTES: Bismuthian bindheimite, Mammoth Mine, Eureka, Utah
NOTES
1751 Notices
BOOK REVIEW
1743 Book Reviews
MEMORIAL
1736 Memorial of Arno Schüller: Erratum
INDEX
1753 Index to Volume 54
TABLE OF CONTENTS
&
SPECIAL COLLECTIONS
Table of Contents
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Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.