American Mineralogist
LETTER
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 PH2O-dependent structural phase transition in the zeolite natrolite
Hsiu-Wen Wang and David L. Bish
REGULAR ARTICLE
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
996
The crystal chemistry of Li in gadolinite
Fernando Cámara, Roberta Oberti, Luisa Ottolini, Giancarlo Della Ventura, and Fabio Bellatreccia
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
1028
In situ observations of muscovite dissolution under alkaline conditions at 25–50 °C by AFM with an air/fluid heater system
Yoshihiro Kuwahara
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.
1072
On the existence of a Na-deficient monoclinic trinepheline with composition Na7.85Al7.85Si8.15O32
Predrag Vulić, Volker Kahlenberg, and Jürgen Konzett
1080
Chlorite and biotite weathering, Fe2+-rich corrensite formation, and Fe behavior under low PO2 conditions and their implication for Precambrian weathering
Hirokazu Sugimori, Teruki Iwatsuki, and Takashi Murakami
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
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
BOOK REVIEW
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
1196
BOOK REVIEW: INTRODUCTION TO RADIOACTIVE MINERALS by Robert LAUF, Ph.D. Schiffer Publishing Ltd., Atglen, Pennsylvania. (2008) Paperback with 193 pictures.
Winfried Koensler
ERRATUM
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).
DEPOSIT ITEMS
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
Table S1. Spherical harmonic coefficients for the pPv phase obtained from Rietveld refinements., Fig. S1 Rietveld refinement results., Fig. S2a Crystal structure of CaIrO3-type ABX3 post-perovskite phase and Fig. S2b X-X pair distances in the ABX3 pPv phase.
AM-08-032.zip zipped
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
Table 4A. Observed and calculated structure factors (Fo-Fc) CsAlSiO4, Table 4B Observed and calculated structure factors (Fo-Fc) RbAlSiO4, Crystallographic Information Framework file for CsAlSiO4 and Crystallographic Information Framework file for RbAlSiO4
AM-08-030.zip zipped
996
The crystal chemistry of Li in gadolinite
Fernando Cámara, Roberta Oberti, Luisa Ottolini, Giancarlo Della Ventura, and Fabio Bellatreccia
Table 4. Observed and calculated structure factors for gadolinite-(Y) from Vico and Crystallographic Information Framework file for gadolinite-(Y)
AM-08-034.zip zipped
1014
The structure of monohydrocalcite and the phase composition of the beachrock deposits of Lake Butler and Lake Fellmongery, South Australia
Ian P. Swainson
Crystallographic Information Framework file for monohydrocalcite
AM-08-029.zip zipped
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
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
Crystallographic Information Framework file for UO2, Pbca structure and Crystallographic Information Framework file for UO2, Fluorite structure
AM-08-031.zip zipped
1142
Experimental calibration of aluminum partitioning between olivine and spinel as a geothermometer
Zhihuan Wan, Laurence A. Coogan, and Dante Canil
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
Table 5 Observed and calculated structure factors of epididymite and eudidymite.
AM-08-037.zip zipped
1179
Heat capacity and entropy of melanophlogite: Molecule-containing porosils in nature
Charles A. Geiger, Edgar Dachs, and Mariko Nagashima
Figure 1. Polyhedral drawing of the melano-phlogite structure., Table 1a. Raw Cp data for the Mt. Hamilton and Racalmuto melanophlogites and their heat-treated analogues., Table 1b. Molar thermodynamic functions of melanophlogite, Table 1c & 1d. Molar thermodynamic functions of melanophlogite and Table 2. Thermodynamic properties for various SiO2 phases
AM-08-036.zip zipped
1191
A PH2O-dependent structural phase transition in the zeolite natrolite
Hsiu-Wen Wang and David L. Bish
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.