LETTER

D.B. Dingwell, F. HoItz, and H. Behrens
The solubility of H₂O in peralkaline and peraluminous granitic melts   434
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REVIEW

Martin T. Dove
Theory of displacive phase transitions in minerals   213
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ARTICLES

Li Zhang, Hans Ahsbahs, Stefan S. Hafner, and Ali Kutoglu
Single-crystal compression and crystal structure of clinopyroxene up to 10 GPa   245
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George E. Harlow
K in clinopyroxene at high pressure and temperature: An experimental study   259
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Joseph R. Smyth, Tatsuhiko Kawamoto, Stephen D. Jacobsen, R. Jeffrey Swope, Richard L. Hervig, and John R. Holloway
Crystal structure of monoclinic hydrous wadsleyite [β-(Mg,Fe)₂SiO₄]   270
Abstract
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Daniela CeIlai, Paola Bonazzi, and Michael A. Carpenter
Natural kalsilite, KAlSiO₄, with P31c symmetry: Crystal structure and twinning   276
Abstract
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David M. Jenkins, Barbara L. Sherriff, Janice Cramer, and Zhi Xu
Al, Si, and Mg occupancies in tetrahedrally and octahedrally coordinated sites in synthetic aluminous tremolite   280
Abstract
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Giancarlo Della Ventura, Jean-Louis Robert, Mati Raudsepp, Frank C. Hawthorne, and Mark D. Welch
Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite   291
Abstract
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Alistair R. Lennie, Simon A.T. Redfern, Pamela E. Champness, Chris P. Stoddart, Paul F. Schofield, and David I. Vaughan
Transformation of mackinawite to greigite: An in situ X-ray powder diffraction and transmission electron microscope study   302
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E.J. Benstock, Peter R. Buseck, and Ian M. Steele
Cathodoluminescence of meteoritic and synthetic forsterite at 296 and 77 K using TEM   310
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Hisao Sato, Yoshiaki Yamaguchi, and Kuniaki Makino
Cl incorporation into successively zoned amphiboles from the Ramnes cauldron, Norway   316
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Lian-Kun Sha and Bruce W. Chappel
Multi-site order-disorder kinetics in crystalline solids: A generalized formulation   325
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Jürgen Truckenbrodt, Dieter Ziegenbein, and Wilhelm Johannes
Redox conditions in piston-cylinder apparatus: The different behavior of boron nitride and unfired pyrophyllite assemblies   337
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L.Y. Aranovich and R.G. Berman
A new garnet-orthopyroxene thermometer based on reversed Al₂O₃ solubility in FeO-Al₂O₃-SiO₂ orthopyroxene   345
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Claude Herzberg and Jianzhong Zhang
Melting experiments on komatiite analog compositions at 5 GPa   354
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Jacqueline Eaby Dixon
Degassing of alkalic basalts   368
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Hailiang Dong, Donald R. Peacor, and Robert L. Freed
Phase relations among smectite, R1 illite-smectite, and illite   379
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Ian Cartwright, Ian S. Buick, and Simon L. Harley
Timing and mechanisms of carbon isotope exchange in granulite-facies calc-silicate boudins, Rauer Group, East Antarctica   392
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Barbara L Sherriff, Elena V. Sokolova, Janice Cramer, Gerald Kunath-Fandrei, Christian Jäger, and Leonid A. Pautov
Changes in the crystal structure of tsaregorodtsevite [N(CH₃)₄][Si₂(Si_0.5Al_0.5)O₆]₂ on heating   405
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Motoki Uehara, Atsushi Yamazaki, and Sadao Tsutsumi
Surite: Its Structure and Properties   416
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Ermanno Galli, Simona Quartieri, Giovanna Vezzalini, Alberto Alberti, and Marco Franzini
Terranovaite from Antarctica: A new 'pentasil' zeolite   423
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NEW MINERAL NAMES    430

John L. Jambor, Nikolai N. Pertsev, And Andrew C. Roberts
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MEMORIAL     438

Roger H. Mitchell
Memorial of Henry O. A. Meyer, 1937-1995
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BOOK REVIEWS    440

Andy M. Mcdonald
MINERALOGY OF HYPERAGPAITIC ALKALINE ROCKS. By A.P. Khomyakov. Oxford University Press, Oxford, 1995. 223 pages.
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