American Mineralogist - August - September 2011 Table of Contents

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Vol. 96, no. 0809

An International Journal of Earth and Planetary Materials

August - September 2011

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LETTERS

1410 In situ monitoring of lepidocrocite bioreduction and magnetite formation by reflection Mössbauer spectroscopy
Asfaw Zegeye, Mustapha Abdelmoula, Muhammad Usman, Khalil Hanna, and Christian Ruby
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1414 Differences in Fe-redox for asbestiform and nonasbestiform amphiboles from the former vermiculite mine, near Libby, Montana, U.S.A.
Mickey E. Gunter, M. Darby Dyar, Antonio Lanzirotti, Jonathan M. Tucker, and Elly A. Speicher
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1418 Direct determination of europium valence state by XANES in extraterrestrial merrillite: Implications for REE crystal chemistry and martian magmatism
C.K. Shearer, J.J. Papike, P.V. Burger, S.R. Sutton, F.M. McCubbin, and M. Newville
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ARTICLES

1193 High-pressure Raman spectroscopic studies of ulvöspinel Fe₂TiO₄
Atsushi Kyono, Muhtar Ahart, Takamitsu Yamanaka, Stephen Gramsch, Ho-kwang Mao, and Russell J. Hemley
Abstract
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1199 Brearleyite, Ca₁₂Al₁₄O₃₂Cl₂, a new alteration mineral from the NWA 1934 meteorite
Chi Ma, Harold C. Connolly Jr., John R. Beckett, Oliver Tschauner, George R. Rossman, Anthony R. Kampf, Thomas J. Zega, Stuart A. Sweeney Smith, and Devin L. Schrader
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1207 The 3.65 Å phase in the system MgO-SiO₂-H₂O: Synthesis, composition, and structure
Bernd Wunder, Richard Wirth, and Monika Koch-Müller
Abstract
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1215

Water in upper mantle pyroxene megacrysts and xenocrysts: A survey study
Rickard Sundvall and Roland Stalder
Abstract
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1228

Mesoscale twinning and crystallographic registers in biominerals
Nicole Floquet and Daniel Vielzeuf
Abstract
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1238

Radiation effects on cathodoluminescence of albite
Masahiro Kayama, Hirotsugu Nishido, Shin Toyoda, Kosei Komuro, and Kiyotaka Ninagawa
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1248

Structure refinement of high-pressure hexagonal aluminous phases K_1.00Mg_2.00Al_4.80Si_1.15O₁₂ and Na_1.04Mg_1.88Al_4.64Si_1.32O₁₂
Hiroshi Kojitani, Takemi Iwabuchi, Makoto Kobayashi, Hiroyuki Miura, and Masaki Akaogi
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1254

Elastic softening of metamict titanite CaTiSiO₅: Radiation damage and annealing
Ekhard K.H. Salje, Douglas J. Safarik, Jason C. Lashley, Lee A. Groat, and Ulli Bismayer
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1262

An experimental study of the diffusion of C and O in calcite in mixed CO₂-H₂O fluid
T.C. Labotka, D.R. Cole, M.J. Fayek, and T. Chacko
Abstract
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1270

Hydrochemical performance and mineralogical evolution of a dispersed alkaline substrate (DAS) remediating the highly polluted acid mine drainage in the full-scale passive treatment of Mina Esperanza (SW Spain)
Manuel A. Caraballo, Francisco Macías, José Miguel Nieto, Julio Castillo, Dino Quispe, and Carlos Ayora
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1278

The effect of f_O₂ on the partitioning and valence of V and Cr in garnet/melt pairs and the relation to terrestrial mantle V and Cr content
K. Righter, S. Sutton, L. Danielson, K. Pando, G. Schmidt, H. Yang, S. Berthet, M. Newville, Y. Choi, R.T. Downs, and V. Malavergne
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(contents continued on outside back cover)

AMMIAY 96(0809)1193–1424 ISSN 0003-004X (print) ISSN 1945-3027 (Online)

(contents continued from front cover)

1291

An experimental study of OH solubility in rutile at 500–900 °C, 0.5–2 GPa, and a range of oxygen fugacities
Clinton V. Colasanti, Elizabeth A. Johnson, and Craig E. Manning
Abstract
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1300

The growth interval of garnet in the UHP eclogites from the Dabie orogen, China
Hao Cheng, Jeffrey D. Vervoort, Xianhua Li, Chao Zhang, Qiuli Li, and Shu Zheng
Abstract
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1308

Structural studies of NH₄-exchanged natrolites at ambient conditions and high temperature
Yongmoon Lee, Donghoon Seoung, Young-Nam Jang, Jianming Bai, and Yongjae Lee
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1316

Morphology and microstructure of magnetite and ilmenite inclusions in plagioclase from Adirondack anorthositic gneiss
Hans-Rudolf Wenk, Kai Chen, and Rebecca Smith
Abstract
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1325

Thermodynamic properties of stishovite by low-temperature heat capacity measurements and the coesite-stishovite transition boundary
M. Akaogi, M. Oohata, H. Kojitani, and H. Kawaji
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1331

Mechanisms of Cr and H incorporation in stishovite determined by single-crystal EPR spectroscopy and DFT calculations
Yuanming Pan, Rudolf I Mashkovtsev, Dan Huang, Mao Mao, and Anton Shatskiy
Abstract
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1343

Paramagnetic interactions in the ³¹P NMR spectroscopy of rare earth element orthophosphate (REPO₄, monazite/xenotime) solid solutions
Aaron C. Palke and Jonathan F. Stebbins
Abstract
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1354

Garnet sector and oscillatory zoning linked with changes in crystal morphology during rapid growth, North Cascades, Washington
Harold Stowell, Carlos Zuluaga, Alan Boyle, and Gerrit Bulman
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1363

Phase stability, elastic behavior, and pressure-induced structural evolution of kalsilite: A ceramic material and high-T/high-P mineral
G. Diego Gatta, Ross J. Angel, Jing Zhao, Matteo Alvaro, Nicola Rotiroti, and Michael A. Carpenter
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1373

A new type of high-pressure low-flow metering valve for continuous decompression: First experimental results on degassing of rhyodacitic melts
Marcus Nowak, Sarah B. Cichy, Roman E. Botcharnikov, Norbert Walker, and Willi Hurkuck
Abstract
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1381

Substitution mechanisms and implications for the estimate of water fugacity for Ti-rich phlogopite from Mt. Vulture, Potenza, Italy
M. Lacalamita, E. Schingaro, F. Scordari, G. Ventruti, A. Fabbrizio, and G. Pedrazzi
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1392

Calibration for IR measurements of OH in apatite
Karen L. Wang, Youxue Zhang, and Fabian U. Naab
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1398

Electrolytic coloration and spectral properties of natural calcite crystals
Hongen Gu, Rui Zhu, Weiwei Chen, Dongliang Ma, Yang Li, and Yutong Li
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AMORPHOUS MATERIALS: PROPERTIES, STRUCTURE, AND DURABILITY

1402 Compositional dependent compressibility of dissolved water in silicate glasses
Wim J. Malfait, Carmen Sanchez-Valle, Paola Ardia, Etienne Médard, and Philippe Lerch
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1422 BOOK REVIEW
Frank J. Spera
DIFFUSION IN MINERALS AND MELTS, Youxue Zhang and Daniele J. Cherniak, Editors. (2010) Reviews in Mineralogy and Geochemistry, vol. 72, 1038 pages. ISBN: 978-0-939950-86-7.
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