American Mineralogist, 2004, V 89, N 11-12, November-December.


LETTER

1822 Coupled cation and oxygen-isotope exchange between alkali feldspar and aqueous chloride solution Theodore C. Labotka, David R. Cole, Mostafa Fayek, Lee R. Riciputi, and Frank J. Stadermann
ARTICLES

1581 First-principle study of polytype structures of 1:1 dioctahedral phyllosilicates Hisako Sato, Kanta Ono, Cliff T. Johnston, and Akihiko Yamagishi 1586 Calorimetry of liquids in the system Na2O-Fe2O3-SiO2 Toru Sugawara and Masaki Akaogi 1597 A Mossbauer study of the oxidation state of Fe in silicate melts Kasthuri D. Jayasuriya, Hugh St.C. O'Neill, Andrew J. Berry, and Stewart J. Campbell 1610 Nanometer-scale measurements of Fe3+/Fe by electron energy-loss spectroscopy: A cautionary note Laurence A. J. Garvie, Thomas J. Zega, Peter Rez, and Peter R. Buseck 1617 The most reduced rock from the moon, Apollo 14 basalt 14053: Its unique features and their origin Lawrence A. Taylor, Allan Patchen, Rhiannon G. Mayne, and Dong-Hwa Taylor 1625 Quantitative analysis of ammonium in biotite using infrared spectroscopy Vincent Busigny, Pierre Cartigny, Pascal Philippot, and Marc Javoy 1631 Lizardite-chlorite structural relationship s and an inferred high-pressure lizardite polytype Istvan Dodony and Peter R. Buseck 1640 V oxidation state and coordination number in silicate glasses by XAS Gabriele Giuli, Eleonora Paris, Jim Mungall, Claudia Romano, and Donald Dingwell 1647 Structure of the fluorapatite (100)-water interface by high-resolution X-ray reflectivity Changyong Park, Paul Fenter, Zhan Zhang, Likwan Cheng, and Neil C. Sturchio 1655 Origin of diffuse superstructure reflections in labuntsovite-group minerals Thomas Armbruster, Sergey V. Krivovichev, Thomas Weber, Edwin Gnos, Natalia N. Organova, Viktor N. Yakovenchuk, and Zoya V. Shlyukova 1667 Isosymmetric structural phase transition of orthoenstatite: Molecular dynamics simulation Akira Miyake, Norimasa Shimobayashi, and Masao Kitamura 1673 Crystal nucleation in hydrous rhyolite: Experimental data applied to classical theory Julia E. Hammer 1680 Investigation of polytypes in lepidolite using electron back-scattered diffraction Toshihiro Kogure and Michiaki Bunno 1685 Iron partitioning between basaltic melts and clinopyroxene as a function of oxygen fugacity Molly C. McCanta, M. Darby Dyar, Malcolm J. Rutherford, and Jeremy S. Delaney 1694 The synthesis of zeolite-P, Linde Type A, and hydroxysodalite zeolites from paper sludge ash at low-temperature (80 °C): Optimal ash-leaching condition for zeolite synthesis Takaaki Wajima, Keiko Kuzawa, Hiroji Ishimoto, Osamu Tamada, and Takashi Nishiyama 1701 High-pressure viscometry of polymerized silicate melts and limitations of the Eyring equation David Tinker, Charles E. Lesher, Gregory M. Baxter, Takeyuki Uchida, and Yanbin Wang 1709 Biological control on calcite crystallization: AFM investigation of coccolith polysaccharide function K. Henriksen, S.L.S. Stipp, J.R. Young, and M.E. Marsh 1717 Order parameter variation through the C2/m-P21/m phase transition in cummingtonite Tiziana Boffa Ballaran, Michael A. Carpenter, and M. Chiara Domeneghetti 1728 Arsenate sorption on schwertmannite Keisuke Fukushi, Tsutomu Sato, Nobuyuki Yanase, Junichi Minato, and Hirohisa Yamada 1735 Evidence on the structure of synthetic schwertmannite Mitch Loan, John M. Cowley, Robert Hart, and Gordon M. Parkinson 1743 Crystal-chemical characterization of tourmalines from the English Lake District: Electron-microprobe analyses and Mšssbauer spectroscopy Sigrid Griet Eeckhout, Cedric Corteel, Elisa Van Coster, Eddy De Grave, and Paul De Paepe 1752 Crystal chemistry and paragenesis of compositionally unique (Al-, Fe-, Nb-, and Zr-rich) titanite from Afrikanda, Russia Anton R. Chakhmouradian 1763 Site distribution of Fe2+ and Fe3+ in the axinite mineral group: New crystal-chemical formula Giovanni B. Andreozzi, Sergio Lucchesi, Giorgio Graziani, and Umberto Russo 1772 Epidote-rich talc-kyanite-phengite eclogites, Sulu terrane, eastern China: P-T-?O2 estimates and the significance of the epidote-talc assemblage in eclogite Christopher G. Mattinson, Ru Y. Zhang, Tatsuki Tsujimori, and Juhn G. Liou 1784 Quantitative mineralogy of the Yukon River system: Changes with reach and season, and determining sediment provenance D. D. Eberl 1795 Exsolution of thortveitite, yttrialite, and xenotime during low-temperature recrystallization of zircon from New Caledonia, and their significance for trace element incorporation in zircon Carl Spandler, Jorg Hermann, and Daniela Rubatto 1807 Mineralogical characterization and genesis of hydrothermal Mn oxides from the flank of the Juan the Fuca Ridge M.D. Buatier, D. Guillaume, C.G. Wheat, L. Herve, and T. Adatte 1816 Synchrotron X-ray diffraction study of the structure of shafranovskite, K2Na3(Mn,Fe,Na)4 [Si9(O,OH)27](OH)2·nH2O, a rare manganese phyllosilicate from the Kola peninsula, Russia Sergey V. Krivovichev, Viktor N. Yakovenchuk, Thomas Armbruster, Yakov A. Pakhomovsky, Hans-Peter Weber, and Wulf Depmeier 1826 NEW MINERAL NAMES John L. Jambor and Andrew C. Roberts 1835 Memorial for Francis R. "Joe" Boyd Peter H Nixon and D. Graham Pearson 1838 ERRATUM Solution calorimetric determination of the enthalpies of formation of NH4-bearing minerals buddingtonite and tobelite by Guy L. Hovis, Daniel Harlov, and Matthias Gottschalk (vol. 89, no. 1, pages 85-93, 2004). 1840 AUTHOR INDEX 1851 SUBJECT INDEX