American Mineralogist
Open AccessLETTER
955
BNa–BLi solid-solution in A-site-vacant amphiboles: synthesis and cation ordering along the ferri-clinoferroholmquistite–riebeckite join
Gianluca Iezzi, Giancarlo Della Ventura, Fernando Cámara, Giuseppe Pedrazzi, and Jean-Louis Robert
986
Intergrown niobian rutile phases with Sc- and W-rich ferrocolumbite: An electron-microprobe and Rietveld study
Martin Okrusch, Rainer Hock, Ulrich Schüssler, Amanda Brummer, Markus Baier, and Hans Theisinger
1033
Monte Carlo simulations of ordering of Al, Fe, and Mg cations in the octahedral sheet of smectites and illites
C. Ignacio Sainz-Díaz, Erika J. Palin, Martin T. Dove, and Alfonso Hernández-Laguna
1046
Influence of F content on the composition of Al-rich synthetic phlogopite: Part II. Probing the structural arrangement of aluminum in tetrahedral and octahedral layers by 27Al MQMAS and 1H/19F-27Al HETCOR and REDOR experiments
Michael Fechtelkord, Harald Behrens, François Holtz, Jeremy L. Bretherton, Colin A. Fyfe, Lee A. Groat, and Mati Raudsepp
1060
Hydrogen-bonded water in laumontite II: Experimental determination of site-specific thermodynamic properties of hydration of the W1 and W5 sites
Thráinn Fridriksson, J. William Carey, David L. Bish, Philip S. Neuhoff, and Dennis K. Bird
1073
High P-T phase relations and stability of a (21)-hydrous clinopyribole in the system K2O-Na2O-CaO-MgO-Al2O3-SiO2-H2O: An experimental study to 18 GPa
Jürgen Konzett and Stefanie L. Japel
1115
Coupling between non-convergent ordering and transition temperature in the C2/c ↔ P21/c phase transition in pigeonite
Fernando Camara, Michael A. Carpenter, M. Chiara Domeneghetti, and Vittorio Tazzoli
1161
Aluminum substitution in MgSiO3 perovskite: Investigation of multiple mechanisms by 27Al NMR
Jonathan F. Stebbins, Hiroshi Kojitani, Masaki Akaogi, and Alexandra Navrotsky
1165
Studtite, [(UO2)(O2)(H2O)2](H2O)2: The first structure of a peroxide mineral
Peter C. Burns and Karrie-Ann Hughes
1169
Nanometer-scale measurements of iron oxidation states of cronstedtite from primitive meteorites
Thomas J. Zega, Laurence A. J. Garvie, and Peter R. Buseck
REGULAR ARTICLE
949
Bonding preferences of non-bridging O atoms: Evidence from 17O MAS and 3QMAS NMR on calcium aluminate and low-silica Ca-aluminosilicate glasses
Jeffrey R. Allwardt, Sung Keun Lee, and Jonathan F. Stebbins
962
A new uranyl carbonate sheet in the crystal structure of fontanite, Ca[(UO2)3(CO3)2O2](H2O)6
Karrie-Ann Hughes and Peter C. Burns
967
XANES calibrations for the oxidation state of iron in a silicate glass
Andrew J. Berry, Hugh St.C. O’Neill, Kasthuri D. Jayasuriya, Stewart J. Campbell, and Garry J. Foran
978
Dissolution of strontianite at high P-T conditions: An in-situ synchrotron X-ray fluorescence study
Carmen Sanchez-Valle, Isabelle Martinez, Isabelle Daniel, Pascal Philippot, Sylvain Bohic, and Alexandre Simionovici
996
Bulk moduli and high-pressure crystal structures of minium, Pb3O4, determined by X-ray powder diffraction
Robert E. Dinnebier, Stefan Carlson, Michael Hanfland, and Martin Jansen
1003
Slow oxygen diffusion rates in igneous zircons from metamorphic rocks
William H. Peck, John W. Valley, and Colin M. Graham
1015
Chemistry of grain boundaries in mantle rocks
Takehiko Hiraga, Ian M. Anderson, and David L. Kohlstedt
1020
Heats of mixing of silicate liquid in the systems diopside-anorthite-akermanite, diopside-anorthite-forsterite, and diopside-silica
Toru Sugawara and Masaki Akaogi
1025
High-pressure crystal structure of kosmochlor, NaCrSi2O6, and systematics of anisotropic compression in pyroxenes
Marcus J. Origlieri, Robert T. Downs, Richard M. Thompson, Carolyn J.S. Pommier, M. Bonner Denton, and George E. Harlow
1055
Dawsonite: An inclusion mineral in quartz from the Tin Mountain pegmatite, Black Hills, South Dakota
Mona-Liza C. Sirbescu and Peter I. Nabelek
1084
The crystal chemistry of julgoldite-Fe3+ from Bombay, India, studied using synchrotron X-ray powder diffraction and 57Fe M??ssbauer spectroscopy
G. Artioli, C.A. Geiger, and M. Dapiaggi
1091
Partitioning of Sr, Ba, Rb, Y, and LREE between plagioclase and peraluminous silicic magma
Minghua Ren, Don F. Parker, and John C. White
1104
Infrared and TEM characterization of amphiboles synthesized near the tremolite-pargasite join in the ternary system tremolite-pargasite-cummingtonite
David M. Jenkins, Krassimir N. Bozhilov, and Kiyotaka Ishida
1129
57Fe M??ssbauer-effect studies of Ca-rich, Fe-bearing clinopyroxenes: Part I. Paramagnetic spectra of magnesian hedenbergite
Sigrid G. Eeckhout and Eddy De Grave
1138
57Fe M??ssbauer-effect studies of Ca-rich, Fe-bearing clinopyroxenes: Part II. Magnetic spectra of magnesian hedenbergite
Sigrid G. Eeckhout and Eddy De Grave
1145
57Fe M??ssbauer-effect studies of Ca-rich, Fe-bearing clinopyroxenes: Part III. Diopside
Eddy De Grave and Sigrid G. Eeckhout
1153
Ultrahigh-pressure metamorphism in eclogites from the western Tianshan high-pressure belt (Xinjiang, western China) – Comment
Reiner Klemd
1157
Ultrahigh-pressure metamorphism in eclogites from the western Tianshan, China – Reply
Lifei Zhang, David Ellis, Samansa Williams, and Wenbo Jiang
1173
An evaluation of spatial correlation functions in textural analysis of metamorphic rocks
David M. Hirsch, Richard A. Ketcham, and William D. Carlson
1174
Metapelite phase equilibria modeling in MnNCKFMASH: The effect of variable Al2O3 and MgO/(MgO + FeO) on mineral stability
Douglas K. Tinkham, Carlos A. Zuluaga, and Harold H. Stowell
1175
NEW MINERAL NAMES
Edward S. Grew, Nikola N. Pertsev, and Andrew C. Roberts
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American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.