996

The crystal chemistry of Li in gadolinite
Fernando Cámara, Roberta Oberti, Luisa Ottolini, Giancarlo Della Ventura, and Fabio Bellatreccia

1028

In situ observations of muscovite dissolution under alkaline conditions at 25–50 °C by AFM with an air/fluid heater system
Yoshihiro Kuwahara

1072

On the existence of a Na-deficient monoclinic trinepheline with composition Na_7.85Al_7.85Si_8.15O₃₂
Predrag Vulić, Volker Kahlenberg, and Jürgen Konzett

1090

Structural characterization of natural UO₂ at pressures up to 82 GPa and temperatures up to 2200 K
Steeve Gréaux, Laurent Gautron, Denis Andrault, Nathalie Bolfan-Casanova, Nicolas Guignot, and Julien Haines

1195

BOOK REVIEW: MÖSSBAUER SPECTROSCOPY OF ENVIRONMENTAL MATERIALS AND THEIR INDUSTRIAL UTILIZATION, by Enver Murad and John Cashion. (2004) Kluwer Academic Publishers, Norwell, Massachusetts 417 p. ISBN: 1 4020 7726 2.
M. Darby Dyar

1197

ERRATA: Eskolaite associated with diamond from the Udachnaya kimberlite pipe, Yakutia, Russia by A.M. Logvinova, R. Wirth, N.V. Sobolev, Y.V. Seryotkin, E.S. Yefimova, C. Floss, and L.A. Taylor (vol. 93, p. 685–690, 2008: Erratum DOI 10.2138/am.2008.523).

1198

ERRATA: Possible structural polymorphism in Al-bearing magnesiumsilicate post-perovskite by O. Tschauner, B. Kiefer, H. Liu, S. Sinogeikin, M. Somayazulu, S.N. Luo (vol. 93, p. 533–539, 2008: Erratum DOI 10.2138/am.2008.522).

1179

Heat capacity and entropy of melanophlogite: Molecule-containing porosils in nature
Charles A. Geiger, Edgar Dachs, and Mariko Nagashima

1183

Crystal structure of glaucodot, (Co,Fe)AsS, and its relationships to marcasite and arsenopyrite
Hexiong Yang and Robert T. Downs

1187

Modification of gas speciation in quartz-hosted fluid inclusions by stray laser radiation during LA-ICPMS analysis
Glenn Lambrecht, Larryn W. Diamond, and Thomas Pettke

1191

A P_H2O-dependent structural phase transition in the zeolite natrolite
Hsiu-Wen Wang and David L. Bish

965

Rietveld structure refinement of MgGeO₃ post-perovskite phase to 1 Mbar
Atsushi Kubo, Boris Kiefer, Sang-Heon Shim, Guoyin Shen, Vitali B. Prakapenka, and Thomas S. Duffy

977

High-temperature ammonium white mica from the Betic Cordillera (Spain)
Mar??a Dolores Ruiz Cruz and Carlos Sanz de Galdeano

988

Synthesis and crystal structure of the feldspathoid CsAlSiO₄: An open-framework silicate and potential nuclear waste disposal phase
G. Diego Gatta, N. Rotiroti, P.F. Zanazzi, M. Rieder, M. Drabek, Z. Weiss, and R. Klaska

1005

The effect of the hedenbergitic substitution on the compressibility of jadeite
F. Nestola, T. Boffa Ballaran, C. Liebske, R. Thompson, and R.T. Downs

1014

The structure of monohydrocalcite and the phase composition of the beachrock deposits of Lake Butler and Lake Fellmongery, South Australia
Ian P. Swainson

1019

First-principles calculation of the infrared spectrum of hematite
Marc Blanchard, Michele Lazzeri, Francesco Mauri, and Etienne Balan

1034

Ramanite-(Cs) and ramanite-(Rb): New cesium and rubidium pentaborate tetrahydrate minerals identified with Raman spectroscopy
Rainer Thomas, Paul Davidson, and Andreas Hahn

1043

Pressure-temperature studies of talc plus water using X-ray diffraction
A.E. Gleason, S.A. Parry, A.R. Pawley, R. Jeanloz, and S.M. Clark

1051

Hematite and magnetite precipitates in olivine from the Sulu peridotite: A result of dehydrogenation-oxidation reaction of mantle olivine?
Shyh-Lung Hwang, Tzen-Fu Yui, Hao-Tsu Chu, Pouyan Shen, Yoshiyuki Iizuka, Houng-Yi Yang, Jingsui Yang, and Zhiqin Xu

1061

Arsenide in a metasomatized peridotite xenolith as a constraint on arsenic behavior in the mantle wedge
Satoko Ishimaru and Shoji Arai

1066

Multiple oxygen sites in synthetic phyllosilicates with expandable layers: ¹⁷O solid-state NMR study
Sung Keun Lee and Charles A. Weiss Jr.

1080

Chlorite and biotite weathering, Fe²⁺-rich corrensite formation, and Fe behavior under low P_O2 conditions and their implication for Precambrian weathering
Hirokazu Sugimori, Teruki Iwatsuki, and Takashi Murakami

1099

Dense hydrous magnesium silicates, phase D, and superhydrous B: New structural constraints from one- and two-dimensional ²⁹Si and ¹H NMR
Xianyu Xue, Masami Kanzaki, and Anton Shatskiy

1112

Mid-IR bands of synthetic calcic amphiboles of tremolite-pargasite series and of natural calcic amphiboles
Kiyotaka Ishida, David M. Jenkins, and Frank C. Hawthorne

1119

Probing the site occupancies of Co-, Ni-, and Mn-substituted biogenic magnetite using XAS and XMCD
Victoria S. Coker, Carolyn I. Pearce, Richard A.D. Pattrick, Gerrit van der Laan, Neil D. Telling, John M. Charnock, Elke Arenholz, and Jonathan R. Lloyd

1133

Origin of titanite in metarodingite from the Zagros Thrust Zone, Iraq
Yousif Osman Mohammad and Hirokazu Maekawa

1142

Experimental calibration of aluminum partitioning between olivine and spinel as a geothermometer
Zhihuan Wan, Laurence A. Coogan, and Dante Canil

1148

Single-crystal X-ray diffraction study of CaIrO₃
Masahiko Sugahara, Akira Yoshiasa, Akira Yoneda, Takafumi Hashimoto, Syunsuke Sakai, Maki Okube, Akihiko Nakatsuka, and Osamu Ohtaka

1153

Orthorhombic polymorph of rengeite from Ohmi region, central Japan
Hiroki Mashima, Junji Akai, Yoshihiro Nakamuta, and Satoshi Matsubara

1158

New insights into the crystal chemistry of epididymite and eudidymite from Malosa, Malawi: A single-crystal neutron diffraction study
G. Diego Gatta, N. Rotiroti, G.J. McIntyre, A. Guastoni, and F. Nestola

1166

Mechanisms of rhyolitic glass hydration below the glass transition
Lawrence M. Anovitz, David R. Cole, and Mostafa Fayek

1196

BOOK REVIEW: INTRODUCTION TO RADIOACTIVE MINERALS by Robert LAUF, Ph.D. Schiffer Publishing Ltd., Atglen, Pennsylvania. (2008) Paperback with 193 pictures.
Winfried Koensler