American Mineralogist
Open AccessLETTER
717
Enthalpies of formation of pyrrhotite Fe1–0.125xS (0 ≤ x ≤ 1) solid solutions
Fen Xu and Alexandra Navrotsky
724
Crystal chemistry of synthetic lawsonite solid-solution series CaAl2[(OH)2/Si2O7]·H2O–SrAl2[(OH)2/Si2O7]·H2O and the Cmcm–P21/m phase transition
A. Liebscher, G. Dörsam, G. Franz, B. Wunder, and M. Gottschalk
754
Kapundaite, (Na,Ca)2Fe3+4(PO4)4(OH)3·5H2O, a new phosphate species from Toms quarry, South Australia: Description and structural relationship to mélonjosephite
Stuart J. Mills, William D. Birch, Anthony R. Kampf, Andrew G. Christy, Joseph J. Pluth, Allan Pring, Mati Raudsepp, and Yu-Sheng Chen
770
IR absorption coefficients for water in nominally anhydrous high-pressure minerals
Monika Koch-Müller and Dieter Rhede
825
Biodurability of chrysotile and tremolite asbestos in simulated lung and gastric fluids
Christopher Oze and K’Lynn Solt
844
An X-ray Rietveld and infrared spectral study of the Na2(Mn1–xM2+ x)Fe2+Fe3+(PO4)3 (x = 0 to 1 and M2+ = Mg, Cd) alluaudite-type solid solutions
Mélanie Rondeux and Frédéric Hatert
853
Dissolution kinetics of anorthite in a supercritical CO2–water system
Masao Sorai and Munetake Sasaki
892
Akaogiite: An ultra-dense polymorph of TiO2 with the baddeleyite-type structure, in shocked garnet gneiss from the Ries Crater, Germany
Ahmed El Goresy, Leonid Dubrovinsky, Philippe Gillet, Güther Graup, and Ming Chen
876
Discreditation of paraspurrite
Joel D. Grice, Paul M. Adams, and Ralph Rowe
880
High-pressure magnetic transition in hcp-Fe
Shigeaki Ono, Takumi Kikegawa, Naohisa Hirao, and Kenji Mibe
884
Reduced As components in highly oxidized environments: Evidence from full spectral XANES imaging using the Maia massively parallel detector
B.E. Etschmann, C.G. Ryan, J. Brugger, R. Kirkham, R.M. Hough, G. Moorhead, D.P. Siddons, G. De Geronimo, A. Kuczewski, P. Dunn, D. Paterson, M.D. de Jonge, D.L. Howard, P. Davey, and M. Jensen
888
FTIR spectroscopy with a focal plane array detector: A novel tool to monitor the spatial OH-defect distribution in single crystals applied to synthetic enstatite
Felix Prechtel and Roland Stalder
REGULAR ARTICLE
673
TEM-assisted dynamic scanning force microscope imaging of (001) antigorite: Surfaces and steps on a modulated silicate
Elisa Palacios-Lidon, Olivier Grauby, Claude Henry, Jean-Pierre Astier, Clemens Barth, and Alain Baronnet
686
PH2O-dependent structural phase transitions in the zeolite mesolite: Real- and reciprocal-space crystal structure refinements
Hsiu-Wen Wang, David L. Bish, and Hongwei Ma
699
The crystal structure of esperite, with a revised chemical formula, PbCa2(ZnSiO4)3, isostructural with beryllonite
Kimberly T. Tait, Hexiong Yang, Robert T. Downs, Chen Li, and William W. Pinch
706
Dendritic zircon formation by deterministic volume-filling fractal growth: Implications for the mechanisms of branch formation in dendrites
Jason E. French
736
Coulsellite, CaNa3AlMg3F14, a rhombohedral pyrochlore with 1:3 ordering in both A and B sites, from the Cleveland Mine, Tasmania, Australia
W. Gus Mumme, Ian E. Grey, William D. Birch, Allan Pring, Catherine Bougerol, and Nicholas C. Wilson
741
Synthesis and characterization of zeolite 4A-type desiccant from kaolin
Chunfang Du and Huaming Yang
747
Effect of iron on the compressibility of hydrous ringwoodite
Geertje Ganskow, Tiziana Boffa Ballaran, and Falko Langenhorst
761
Rate of antigorite dehydration at 2 GPa applied to subduction zones
David H. Eggler and Amy N. Ehmann
776
Experimental techniques for determining tin solubility in silicate melts using silica capsules in 1 atm furnaces and rhenium capsules in the piston cylinder
Guido Paparoni, James D. Webster, and David Walker
784
Cassiterite-saturated minimum melting behavior within Sn-SnO2-SiO2 at 1 atm and 10 kbar
Guido Paparoni, David Walker, and James D. Webster
799
Cr-bearing tourmaline associated with emerald deposits from Swat, NW Pakistan: Genesis and its exploration significance
Mohammad Arif, Darrell J. Henry, and Charlie J. Moon
810
Mechanism and kinetics of reduction of a FeO-Fe2O3-CaO-MgO aluminosilicate melt in a high-CO-activity environment
Reid F. Cooper, Rebecca L.A. Everman, Justin W. Hustoft, and Sang-Heon Dan Shim
832
High-pressure behavior of Ca/Na clinopyroxenes: The effect of divalent and trivalent 3d-transition elements
Fabrizio Nestola, Tiziana Boffa Ballaran, Ross J. Angel, Jing Zhao, and Haruo Ohashi
839
Uvarovite from chromite-bearing ultramafic intrusives, Orissa, India, a crystal-chemical characterization using 57Fe M??ssbauer spectroscopy
Tapan Pal and Dipankar Das
863
Evaluation of the elasticity normal to the basal plane of non-expandable 2:1 phyllosilicate minerals by nanoindentation
Guoping Zhang, Zhongxin Wei, Ray E. Ferrell, Stephen Guggenheim, Randall T. Cygan, and Jian Luo
870
57Fe M??ssbauer spectroscopy and electrical resistivity studies on naturally occurring native iron under high pressures up to 9.1 GPa
Usha Chandra, Pooja Sharma, G. Parthasarathy, and B. Sreedhar
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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.