American Mineralogist
LETTER
782 Short-range order of (Na,K) and Al in tremolite: An infrared study
785 A new high-pressure silica phase obtained by molecular dynamics
EDITORIAL
525 Pyroxene as a recorder of cumulate formational processes in asteroids, Moon, Mars, Earth: Reading the record with the ion microprobe
REGULAR ARTICLE
545 Ab initio calculation of electric-field–gradient tensors of forsterite
550 In situ 29Si MAS NMR studies of structural phase transitions of tridymite
561 Microstructures and high-temperature phase transitions in kalsilite
585 High-temperature Raman spectroscopic and X-ray diffraction study of β-Mg2SiO4: Insights into its high-temperature thermodynamic properties and the β to α phase-transformation mechanism and kinetics
595 A synchrotron radiation, HRTEM, X-ray powder diffraction, and Raman spectroscopic study of malayaite, CaSnSiO5
603 Mn crystal chemistry in pumpellyite: A resonant scattering powder diffraction Rietveld study using synchrotron radiation
611 In situ X-ray diffraction of aragonite and dolomite at high pressure and high temperature: Evidence for dolomite breakdown to aragonite and magnesite
625 Mechanism of the SiO4 for CO3 substitution in defernite,
632 Structure refinement of a natural K-rich diopside: The effect of K on the average structure
639 A reexamination of absorption and enhancement effects in X-ray fluorescence trace element analysis
651 Phase changes and amorphization of zeolites at high pressures: The case of scolecite and mesolite
658 Thermochemistry and phase equilibria in calcium zeolites
668 Thermochemistry of natural potassium sodium calcium leonhardite and its cation-exchanged forms
676 Experimental reversals of chlorite compositions in divariant MgO + Al2O3 + SiO2 + H2O assemblages
685 Graphical analysis of pigeonite-augite liquidus equilibria
696 Modification of garnet by fluid infiltration during regional metamorphism in garnet through sillimanite-zone rocks, Dutchess County, New York
706 Diffusion of the hydrous component in pyrope
719 Experimental partitioning of Rb, Cs, Sr, and Ba between alkali feldspar and peraluminous melt
735 Solid solution between piemontite and androsite-(La), a new mineral of the epidote group from Andros Island, Greece
743 Hyttsjöite, a new, complex layered plumbosilicate with unique tetrahedral sheets from Långban, Sweden
754 Magma transport and metasomatism in the mantle: A critical review of current geochemical models—Discussion
760 Magma transport and metasomatism in the mantle: A critical review of current geochemical models—Reply to Navon et al.
NEW MINERAL NAMES
766 NEW MINERAL NAMES
MEMORIAL
779 Memorial of Carl Tolman, 1897-1995
AWARD
771 Presentation of the Roebling Medal of the Mineralogical Society of America for 1995 to William S. Fyfe
773 Acceptance of the Roebling Medal of the Mineralogical Society of America for 1995
775 Presentation of the Mineralogical Society of America Award for 1995 to Zachary D. Sharp
777 Acceptance of the Mineralogical Society of America Award for 1995
BOOK REVIEW
781 Glossary of Mineral Species by M. Fleischer and J.A. Mandarino, 1995
TABLE OF CONTENTS
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SPECIAL COLLECTIONS
Table of Contents
AmMin submission to acceptance/”first publication” is at a record average of about three to four months. Our acceptance to “final” publication is presently another 13 months on average.
Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.