1410

In situ monitoring of lepidocrocite bioreduction and magnetite formation by reflection M??ssbauer spectroscopy
Asfaw Zegeye, Mustapha Abdelmoula, Muhammad Usman, Khalil Hanna, and Christian Ruby

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

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

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

1207

The 3.65 Ã… phase in the system MgO-SiO₂-H₂O: Synthesis, composition, and structure
Bernd Wunder, Richard Wirth, and Monika Koch-Müller

1215

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

1238

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

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

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

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

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 Mac‹as, JosŽ Miguel Nieto, Julio Castillo, Dino Quispe, and Carlos Ayora

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

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

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

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

1316

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

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

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

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

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

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

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

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

1392

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

1398

Electrolytic coloration and spectral properties of natural calcite crystals
Hongen Gu, Rui Zhu, Weiwei Chen, Dongliang Ma, Yang Li, and Yutong Li

1402

Compositional dependent compressibility of dissolved water in silicate glasses
Wim J. Malfait, Carmen Sanchez-Valle, Paola Ardia, Etienne Médard, and Philippe Lerch

1422

BOOK REVIEW, DIFFUSION IN MINERALS AND MELTS, Youxue Zhang and Daniele J. Cherniak, Editors. (2010) Reviews in Mineralogy and Geochemistry, vol. 72, 1038 pages
Frank J. Spera

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

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

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 Mac‹as, JosŽ Miguel Nieto, Julio Castillo, Dino Quispe, and Carlos Ayora

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

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

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

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

1392

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

1410

In situ monitoring of lepidocrocite bioreduction and magnetite formation by reflection M??ssbauer spectroscopy
Asfaw Zegeye, Mustapha Abdelmoula, Muhammad Usman, Khalil Hanna, and Christian Ruby

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