American Mineralogist
Open AccessLETTER
11
Slavikite—Revision of chemical composition and crystal structure
Jan Parafiniuk, Łukasz Dobrzycki, and Krzysztof Woźniak
24
Tourmaline of the elbaite-schorl series from the Himalaya Mine, Mesa Grande, California: A detailed investigation
Andreas Ertl, George R. Rossman, John M. Hughes, David London, Ying Wang, Julie A. O’Leary, M. Darby Dyar, Stefan Prowatke, Thomas Ludwig, and Ekkehart Tillmanns
59
Structure refinement of a synthetic knorringite, Mg3(Cr0.8Mg0.1Si0.1)2(SiO4)3
Amélie Juhin, Guillaume Morin, Erik Elkaïm, Daniel J. Frost, Michel Fialin, Farid Juillot, and Georges Calas
118
Crystallographic texture of the magnetite-hematite transformation: Evidence for topotactic relationships in natural samples from Quadrilátero Ferrífero, Brazil
Paola Ferreira Barbosa and Leonardo Lagoeiro
126
Semi-ordered crystalline structure of the Santa Olalla vermiculite inferred from X-ray powder diffraction
Arancha Argüelles, Matteo Leoni, Jesús A. Blanco, and Celia Marcos
171
Lapeyreite, Cu3O[AsO3(OH)]2·0.75H2O, a new mineral: Its description and crystal structure
Halil Sarp, Radovan Černý, Hakki Babalik, Murat Hatipoğlu, and Gilbert Mari
196
Corundum + orthopyroxene ± spinel intergrowths in an ultrahigh-temperature Al-Mg granulite from the Southern Marginal Zone, Limpopo Belt, South Africa
G.A. Belyanin, H.M. Rajesh, D.D. Van Reenen, and H. Mouri
188
Hibonite-(Fe), (Fe,Mg)Al12O19, a new alteration mineral from the Allende meteorite
Chi Ma
192
Ion irradiation of the TiO2 polymorphs and cassiterite
Gregory R. Lumpkin, Mark G. Blackford, Katherine L. Smith, Karl R. Whittle, Nestor J. Zaluzec, Edward A. Ryan, and Pete Baldo
200
Fe3+ spin transition in CaFe2O4 at high pressure
Marco Merlini, Michael Hanfland, Mauro Gemmi, Simo Huotari, Laura Simonelli, and Pierre Strobel
REGULAR ARTICLE
1
Metamorphic ultrahigh-pressure tourmaline: Structure, chemistry, and correlations to P-T conditions
Andreas Ertl, Horst R. Marschall, Gerald Giester, Darrell J. Henry, Hans-Peter Schertl, Theodoros Ntaflos, George L. Luvizotto, Lutz Nasdala, and Ekkehart Tillmanns
19
Anisotropic elasticity of jarosite: A high-P synchrotron XRD study
Hongwu Xu, Yusheng Zhao, Jianzhong Zhang, Yuejian Wang, Donald D. Hickmott, Luke L. Daemen, Monika A. Hartl, and Liping Wang
41
Characterization of Al-Si ordering state in an alkali feldspar using atom location by channeling-enhanced microanalysis (ALCHEMI)
Jun Wu and David R. Veblen
47
The relative stability of stoichiometrically related natural and synthetic double salts
Claude H. Yoder, Naomi R. Gotlieb, and Anne L. Rowand
52
Free energy of formation of zircon based on solubility measurements at high temperature and pressure
Robert C. Newton, Craig E. Manning, John M. Hanchar, and Clinton V. Colasanti
64
A mineral tracer toward high-resolution dust provenance on the Chinese Loess Plateau: SEM, TEM, and sulfur isotopes of sulfate inclusions in biotite
Gi Young Jeong and Kwang-Sik Lee
73
High-resolution TEM study of jimthompsonite, chesterite, and chain-width disorder in Archean ultramafic rocks from Isua, West Greenland
Hiromi Konishi, Huifang Xu, and Robert F. Dymek
81
Retrograde hydration sequence in disordered Mg amphiboles: A TEM investigation
Marco Ferrari and Cecilia Viti
92
Can electron energy-loss spectroscopy (EELS) be used to quantify hydrogen in minerals from the O K edge?
Laurence A.J. Garvie
98
Texture analysis of a turbostratically disordered Ca-montmorillonite
Luca Lutterotti, Marco Voltolini, Hans-Rudolf Wenk, Kaushik Bandyopadhyay, and Tiziana Vanorio
104
Packing systematics of the silica polymorphs: The role played by O-O nonbonded interactions in the compression of quartz
Richard M. Thompson and Robert T. Downs
112
Calorimetric study of the surface energy of forsterite
Shushu Chen and Alexandra Navrotsky
135
Stishovite single-crystal growth and application to silicon self-diffusion measurements
Anton Shatskiy, Daisuke Yamazaki, Yuriy M. Borzdov, Takuya Matsuzaki, Konstantin D. Litasov, Titus Cooray, Anais Ferot, Eiji Ito, and Tomoo Katsura
144
Density of dry peridotite magma at high pressure using an X-ray absorption method
Tatsuya Sakamaki, Eiji Ohtani, Satoru Urakawa, Akio Suzuki, and Yoshinori Katayama
148
The crystal-structure and vacancy distribution in 6C pyrrhotite
Johan P.R. de Villiers and David C. Liles
153
Thermal modification of hematite-ilmenite intergrowths in the Ecstall pluton, British Columbia, Canada
Sarah J. Brownlee, Joshua M. Feinberg, Richard J. Harrison, Takeshi Kasama, Gary R. Scott, and Paul R. Renne
161
A new Al-rich hydroxylian pseudorutile from Kalimantan, Indonesia
Ian E. Grey, Pierre Bordet, Nicholas C. Wilson, Raimunda Townend, Timothy J. Bastow, and Michela Brunelli
177
High P–T phase relation of magnesian (Mg0.7Fe0.3) staurolite compositon in the system FeO-MgOAl2O3-SiO2-H2O: Implications for prograde high-pressure history of ultrahigh-temperature metamorphic rocks
Kei Sato, M. Santosh, and Toshiaki Tsunogae
185
Abbreviations for names of rock-forming minerals
Donna L. Whitney and Bernard W. Evans
NEW MINERAL NAMES
204
NEW MINERAL NAMES
Paula C. Piilonen and Glenn Poirier
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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.