1423

Variation of hydrogen bonded O···O distances in goethite at high pressure
Takaya Nagai, Hiroyuki Kagi, and Takamitsu Yamanaka

1436

OH^– in synthetic and natural coesite
Monika Koch-Müller, Przemyslaw Dera, Yingwei Fei, Barry Reno, Nikolai Sobolev, Erik Hauri, and Richard Wysoczanski

1522

Ordering in spinels—A Monte Carlo study
M. Yu. Lavrentiev, J. A. Purton, and N.L. Allan

1583

Oxygen isotopic composition of nano-scale uraninite at the Oklo-Okélobondo natural fission reactors, Gabon
Mostafa Fayek, Satoshi Utsunomiya, Rodney C. Ewing, Lee R. Riciputi, and Keld A. Jensen

1601

An assessment of nuclear microprobe analyses of B in silicate minerals
Henrik Skogby, Per Kristiansson, and Ulf Hålenius

1605

Incommensurate phase in the kosmochlor-diopside join: A new polymorph of clinopyroxene
Shizue Sakamoto, Norimasa Shimobayashi, and Masao Kitamura

1608

Elastic properties of hydrous ringwoodite
Jingyun Wang, Stanislav V. Sinogeikin, Toru Inoue, and Jay D. Bass

1612

Thermochemistry of guest-free melanophlogite
Alexandra Navrotsky, Hongwu Xu, Eric C. Moloy, and Mark D. Welch

1615

A simple model for the pressure preservation index of inclusions in diamond
L.M. Barron

1401

Preface to the Hydrous Minerals at High Pressure Special Issue
Mark Welch and George Lager

1402

Structural systematics of hydrous ringwoodite and water in Earth’s interior
Joseph R. Smyth, Christopher M. Holl, Daniel J. Frost, Steven D. Jacobsen, Falko Langenhorst, and Catherine A. McCammon

1408

Compressibility of phase Egg AlSiO₃OH: Equation of state and role of water at high pressure
Carine B. Vanpeteghem, Eiji Ohtani, Tadashi Kondo, Kenichi Takemura, and Takumi Kikegawa

1412

Synchrotron infrared spectroscopy of OH-chondrodite and OH-clinohumite at high pressure
Zhenxian Liu, George A. Lager, Russell J. Hemley, and Nancy L. Ross

1416

Structural deformation mechanisms of zeolites under pressure
Rossella Arletti, Orazio Ferro, Simona Quartieri, Alessandra Sani, Gloria Tabacchi, and Giovanna Vezzalini

1428

Pressure-controlled polytypism in hydrous layered materials
Przemyslaw Dera, Charles T. Prewitt, Stefanie Japel, David L. Bish, and Cliff T. Johnston

1446

Pressure-induced phase transformation of kalicinite (KHCO₃) at 2.8 GPa and local structural changes around hydrogen atoms
Hiroyuki Kagi, Takaya Nagai, John S. Loveday, Chisato Wada, and John B. Parise

1452

Potential docking sites and positions of hydrogen in high-pressure silicates
Nancy L. Ross, G.V. Gibbs, and Kevin M. Rosso

1460

Contrasting bonding behavior of two hydroxyl-bearing metamorphic minerals under pressure: clinozoisite and topaz
Scott Edwin Bradbury and Quentin Williams

1471

Experimental investigation of crystallization kinetics in a haplogranite system
Susan Couch

1486

Assessment of cation substitutions along the gallium and fluorine analogue of the tremolite-glaucophane join
Michael S. Pavlovich Jr. and David M. Jenkins

1496

Experimental hydrothermal alteration of partially metamict zircon
Thorsten Geisler, Robert T. Pidgeon, Reinhardt Kurtz, Wilhelm van Bronswijk, and Helmut Schleicher

1514

On the origin of size-dependent and size-independent crystal growth: Influence of advection and diffusion
Daniel E. Kile and D.D. Eberl

1532

Single-crystal in situ high-temperature structural investigation of the I1 – I2/c phase transition in Ca_0.2Sr_0.8Al₂Si₂O₈ feldspar
Piera Benna and Emiliano Bruno

1542

New clinopyroxene-liquid thermobarometers for mafic, evolved, and volatile-bearing lava compositions, with applications to lavas from Tibet and the Snake River Plain, Idaho
Keith D. Putirka, Haig Mikaelian, Frederick Ryerson, and Henry Shaw

1555

Fe and Ni impurities in synthetic diamond
Yue Meng, Matthew Newville, Steve Sutton, John Rakovan, and Ho-Kwang Mao

1560

Phase transformations and reaction kinetics during the temperature-induced oxidation of natural olivine
Alessandro F. Gualtieri, Mauro Gemmi, and Monica Dapiaggi

1575

Thermal infrared spectroscopy and modeling of experimentally shocked plagioclase feldspars
Jeffrey R. Johnson, Friedrich H??rz, and Matthew I. Staid

1591

Clinopyroxenite from the Sulu ultrahigh-pressure terrane, eastern China: Origin and evolution of garnet exsolution in clinopyroxene
Ru Y. Zhang and Juhn G. Liou

1620

New minerals approved in 2002 and nomenclature modifications approved 1998-2002 by the Commission on New Minerals and Mineral Names, International Mineralogical Association
Joel D. Grice (Chairman-Emeritus, CNMMN) and Giovanni Ferraris (Vice-Chairman, CNMMN)

1625

Diopside + F-rich phlogopite at high P and T: Systematics, crystal chemistry and the stability of KMgF₃, clinohumite and chondrodite
George E. Harlow

1626

NEW MINERAL NAMES
John L. Jambor and Andrew C. Roberts

1630

BOOK REVIEWS: NOBLE GASES IN GEOCHEMISTRY AND COSMOCHEMISTRY by D. Porcelli, C. J. Ballentine, and R. Wieler (eds.). Mineralogical Society of America Reviews in Mineralogy, Vol. 47, 2002, 844 p.
Minoru Ozima

1632

ERRATUM: High-pressure crystal structure of kosmochlor, NaCrSi₂O₆, and systematics of anisotropic compression in pyroxenes (v. 88, pages 1025-1032).
Marcus J. Origlieri, Robert T. Downs, Richard M. Thompson, Carolyn J.S. Pommier, M. Bonner Denton, and George E. Harlow