American Mineralogist
REGULAR ARTICLE
443 Crystal chemistry: past, present, and future
455 Towards a structural classification of minerals: the VIMIVT2φn minerals
474 Crystallization kinetics in the system CaMgSi2O6-CaAl2Si2O8: development of zoning and kinetics effects on element partitioning
487 Viscosity and structure of iron- and aluminum-bearing calcium silicate melts at 1 atm
499 Metasomatism, titanian acmite, and alkali amphiboles in lithic-wacke inclusions within the Coyote Peak diatreme, Humboldt County, California
517 Characterization of synthetic tridymites by transmission electron microscopy
529 Fluorine and chlorine contents of phlogopites crystallized from ultrapotassic rock compositions in high pressure experiments: implication for halogen reservoirs in source regions
537 High resolution aluminum-27 and silicon-29 nuclear magnetic resonance spectroscopic study of layer silicates, including clay minerals
549 Heterogeneous distribution of nickel in hydrous silicates from New Caledonia ore deposits
559 Energetics of ordering in aluminous pyroxenes
568 New data on the forsterite-tephroite series
576 Mössbauer spectra, magnetic and electrical properties of laihunite, a mixed valence iron olivine mineral
581 Carbonate ion disorder in synthetic and biogenic magnesian calcites: a Raman spectral study
590 High-temperature structure refinements of calcite and magnesite
601 Thermodynamic properties of NaCl obtained by computer calculation
608 Aggregation and dissolution of small and extended defect structures in Type Ia diamond
619 The crystal structure of the monoclinic variety of ferrierite
624 Cation distribution studies of some ternary orthophosphates having the farringtonite structure
630 The mineralogy of human urinary stones from Calgary, Quito and Honolulu
636 A new nomenclature for the borate minerals in the hilgardite (Ca2B5O9Cl·H2O)-tyretskite (Ca2B5O9OH·H2O) group
638 Schöllhornite, Na0.3(H2O)1[CrS2], a new mineral in the Norton County enstatite achondrite
644 X-ray diffraction data for melanovanadite
646 A microfiche reader as a petrographic aid
650 Acceptance of the Roebling Medal of the Mineralogical Society of America for 1984
654 Acceptance of the Mineralogical Society of America Award for 1984
AWARD
648 Presentation of the Roebling Medal of the Mineralogical Society of America for 1984 to Paul Booth Barton, Jr.
652 Presentation of the Mineralogical Society of America Award for 1984 to Bernard J. Wood
PROCEEDINGS
656 PROCEEDINGS Proceedings of the Sixty-fifth Annual Meeting of the Mineralogical Society of America in Reno, Nevada
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.