American Mineralogist
MSA PRESIDENTIAL ADDRESS
589 PRESIDENTIAL ADDRESS Repeating patterns in mineral energetics
LETTER
785 LETTERS High-resolution Si and P K- and L-edge XANES spectra of crystalline SiP2O7 and amorphous SiO2-P2O5
REGULAR ARTICLE
606 ARTICLES Characterization of high-temperature phase transitions in single crystals of Steinbach tridymite
615 High-pressure crystal chemistry of neighborite, NaMgF3: An angle-dispersive diffraction study using monochromatic synchrotron X-radiation
622 X-ray absorption spectroscopy of silicon dioxide (SiO2) polymorphs: The structural characterization of opal
633 In-situ Fe-Mg order-disorder studies and thermodynamic properties of orthopyroxene (Mg,Fe)2Si2O6
644 A TEM-based definition of 2:1 layer silicates and their interstratified constituents
654 TEM study of relationships between the microstructures and magnetic properties of strongly magnetized magnetite and maghemite
668 Low-Ca augite from experimental alkali basalt at 18 kbar: Structural variation near the miscibility gap
675 Crystal structure and optical properties of Na and Pb-exchanged heulandite-group zeolites
683 Dehydration and hydration of montmorillonite at elevated temperatures and pressures monitored using synchrotron radiation
692 Thermogravimetric study of the dehydration kinetics of talc
700 Morphological characteristics of illitic clay minerals from a hydrothermal system
712 Characterization of the composition of fluid inclusions in minerals by 1H NMR
719 Role of fluid flow in the contact metamorphism of siliceous dolomitic limestones
737 Cooling rate histories from garnet + biotite equilibrium
745 Electron microprobe analysis of geological carbonates
770 Acceptance of the Roebling Medal of the Mineralogical Society of America for 1993
773 Acceptance of the Mineralogical Society of America Award for 1993
777 Acceptance of the Distinguished Public Service Medal for 1993
789 Prediction of a high-pressure phase transition in Al2O3
793 Petrogenetic implications of the Fe3+ content of muscovite in pelitic schists
796 Orthopyroxene as a recorder of lunar crust evolution: An ion microprobe investigation of Mg-suite norites
AWARD
768 PRESENTATION OF AWARDS FOR 1993 Presentation of the Roebling Medal of the Mineralogical Society of America for 1993 to Brian Mason
772 Presentation of the Mineralogical Society of America Award for 1993 to Lukas P. Baumgartner
775 Presentation of the Distinguished Public Service Medal for 1993 to Paul H. Ribbe
NEW MINERAL NAMES
750 New occurrences and refined crystal chemistry of colusite, with comparisons to arsenosulvanite
763 NEW MINERAL NAMES
MEMORIAL
779 MEMORIALS Memorial of John C. Griffiths, 1912-1992
781 Memorial of Bennet Frank Buie, 1910-1992
782 Memorial of John Williams Anthony, 1920-1992
TABLE OF CONTENTS
&
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.