American Mineralogist
Open AccessLETTER
1282
The crystal structures of the low-temperature phases of leonite-type compounds, K2Me(SO4)2·4H2O (Me2+ = Mg, Mn, Fe)
Birgit Hertweck, Gerald Giester, and Eugen Libowitzky
1302
Pristine surface growth features on 100 Ma garnet phenocrysts: Interference imaging results
Thomas H. Pearce
1307
Oxygen triclusters in crystalline CaAl4O7 (grossite) and in calcium aluminosilicate glasses: 17O NMR
J.F. Stebbins, J.V. Oglesby, and S. Kroeker
1312
Low-temperature heat capacity of pentlandite
Gleb A. Berezovskii, Valeri A. Drebushchak, and Tatyana A. Kravchenko
1314
Calcium segregation at antiphase boundaries in pigeonite
Kevin T. Moore, David R. Veblen, and James M. Howe
REGULAR ARTICLE
1117
Recalibration of the GASP geobarometer in light of recent garnet and plagioclase activity models and versions of the garnet-biotite geothermometer
M.J. Holdaway
1130
Compositional zoning and element partitioning in nickeloan tourmaline from a metamorphosed karstbauxite from Samos, Greece
Darrell J. Henry and Barbara L. Dutrow
1143
Occurrence of apatite associated with magnetite in an ophiolite complex (Othrys), Greece
Ioannis Mitsis and Maria Economou-Eliopoulos
1151
Overpressures induced by coesite-quartz transition in zircon
Kai Ye, Jing-Bo Liou, Bolin Cong, and Shigenori Maruyama
1156
Geochemical modeling of bacterially induced mineralization of schwertmannite and jarosite in sulfuric acid spring water
Motoharu Kawano and Katsutoshi Tomita
1166
H2O-D2O exchange in lawsonite
Stefan Marion, Hinrich-Wilhelm Meyer, Michael Carpenter, and Truls Norby
1170
Composition and temperature dependence of cation ordering in Ni-Mg olivine solid solutions: a time-of-flight neutron powder diffraction and EXAFS study
C. Michael B. Henderson, Simon A.T. Redfern, Ronald I. Smith, Kevin S. Knight, and John M. Charnock
1188
Thermal conductivity of spinels and olivines from vibrational spectroscopy: Ambient conditions
A.M. Hofmeister
1209
Elasticity of six polycrystalline silicate garnets at pressure up to 3.0 GPa
Zichao Wang and Shaocheng Ji
1219
The crystal chemistry of birefringent natural uvarovites: Part I. Optical investigations and UV-VIS-IR absorption spectroscopy
Michael Andrut and Manfred Wildner
1231
The crystal chemistry of birefringent natural uvarovites: Part II. Single-crystal X-ray structures
Manfred Wildner and Michael Andrut
1252
Ferroanthophyllite in Rockport grunerite: A transmission electron microscopy study
Krassimir N. Bozhilov and Bernard W. Evans
1261
Crystal structure of a new (21)-clinopyribole synthesized at high temperature and pressure
Hexiong Yang, Jürgen Konzett, and Charles T. Prewitt
1267
The Mg(Fe)SiO3 orthoenstatite-clinoenstatite transitions at high pressures and temperatures determined by Raman-spectroscopy on quenched samples
Peter Ulmer and Roland Stalder
1275
Raman spectroscopic studies of phase E to 19 GPa
Annette K. Kleppe, Andrew P. Jephcoat, and Nancy L. Ross
1293
Carraraite and zaccagnaite, two new minerals from the Carrara marble quarries: their chemical compositions, physical properties, and structural features
Stefano Merlino and Paolo Orlandi
MEMORIAL
1320
Memorial of James Graham, 1929-2001
E.H. Nickel
BOOK REVIEW
1319
BOOK REVIEW: The Diamond Makers by Robert M. Hazen, Cambridge University Press, 1999
Stephen T. Nelson
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.