261

Alpersite (Mg,Cu)SO₄·7H₂O, a new mineral of the melanterite group, and cuprian pentahydrite: Their occurrence within mine waste
Ronald C. Peterson, Jane M. Hammarstrom, and Robert R. Seal II

285

Hydrogen incorporation in olivine from 2–12 GPa
Jed L. Mosenfelder, Natalia I. Deligne, Paul D. Asimow, and George R. Rossman

404

An experimental determination of the effect of pressure on the Fe³⁺/∑Fe ratio of an anhydrous silicate melt to 3.0 GPa
Hugh St.C. O’Neill, Andrew J. Berry, Catherine C. McCammon, Kasthuri D. Jayasuriya, Stewart J. Campbell, and Garry Foran

413

Evolution of product phase assemblages during thermal decomposition of muscovite under strong disequilibrium conditions
Karine Devineau, Bertrand Devouard, Frédéric Villieras, François Faure, Jean-Luc Devidal, and Alain Kohler

229

Elastic properties of minerals and the influence of phase transitions
Michael A. Carpenter

451

Icosahedral coordination of phosphorus in the crystal structure of melliniite, a new phosphide mineral from the Northwest Africa 1054 acapulcoite
Giovanni Pratesi, Luca Bindi, and Vanni Moggi-Cecchi

455

Mechanism for the dissolution of olivine series minerals in acidic solutions
Yun Liu, Amanda A. Olsen, and J. Donald Rimstidt

459

High-pressure behavior of synthetic antigorite in the MgO-SiO₂-H₂O system from Raman spectroscopy
B. Reynard and B. Wunder

463

Sinoite (Si₂N₂O) shocked at pressures of 28 to 64 GPa
Toshimori Sekine, Hongliang He, Takamichi Kobayashi, and Kazusato Shibata

467

Laser Raman spectroscopic measurements of water in unexposed glass inclusions
Rainer Thomas, Vadim S. Kamenetsky, and Paul Davidson

471

The Mars/Earth dichotomy in Mg/Si and Al/Si ratios: Is it real?
Justin Filiberto, Hanna Nekvasil, and Donald H. Lindsley

475

Equation of state of CaIrO₃-type MgSiO₃ up to 144 GPa
Shigeaki Ono, Takumi Kikegawa, and Yasuo Ohishi

479

Synchrotron infrared spectroscopy of synthetic Na(NaMg)Mg₅Si₈O₂₂(OH)₂ up to 30 GPa: Insight on a new high-pressure amphibole polymorph
Gianluca Iezzi, Zhenxian Liu, and Giancarlo Della Ventura

247

Pressure-induced hydration in zeolite tetranatrolite
Yongjae Lee, Joseph A. Hriljac, John B. Parise, and Thomas Vogt

252

Annealing experiments on induced fission tracks in apatite: Measurements of horizontal-confined track lengths and track densities in basal sections and randomly oriented grains
Carlos A. Tello, Rosane Palissari, Julio C. Hadler, Pedro J. Iunes, Sandro Guedes, Eduardo A.C. Curvo, and Sergio R. Paulo

270

Application of a new vanadium valence oxybarometer to basaltic glasses from the Earth, Moon, and Mars
Jim M. Karner, Steven R. Sutton, James J. Papike, Charles K. Shearer, John H. Jones, and Matt Newville

278

Quantitative polarized infrared analysis of trace OH in populations of randomly oriented mineral grains
Paul D. Asimow, Leo C. Stein, Jed L. Mosenfelder, and George R. Rossman

295

A numerical model for steady-state temperature distributions in solid-medium high-pressure cell assemblies
John Hernlund, Kurt Leinenweber, Darren Locke, and James A. Tyburczy

306

Thermodynamics and kinetics of cation ordering in natural and synthetic Mg(Al,Fe³⁺)₂O₄ spinels from in situ high-temperature X-ray diffraction
F. Martignago, G.B. Andreozzi, and A. Dal Negro

313

Kinetics of cation ordering in natural Mg(Al,Cr³⁺)₂O₄ spinels
F. Princivalle, F. Martignago, and A. Dal Negro

319

Equations of state and structures of andalusite to 9.8 GPa and sillimanite to 8.5 GPa
Jason B. Burt, Nancy L. Ross, Ross J. Angel, and Mario Koch

327

Equation of state and phase transition in KAlSi₃O₈ hollandite at high pressure
Tristan Ferroir, Tsuyoshi Onozawa, Takehiko Yagi, Sebastien Merkel, Nobuyoshi Miyajima, Norimasa Nishiyama, Tetsuo Irifune, and Takumi Kikegawa

333

A novel arrangement of silicate tetrahedra in the uranyl silicate sheet of oursinite, (Co_0.8Mg_0.2)[(UO₂)(SiO₃OH)]₂(H₂O)₆
Karrie-Ann Kubatko and Peter C. Burns

337

Aluminum substitution in stishovite and MgSiO₃ perovskite: High-resolution ²⁷Al NMR
Jonathan F. Stebbins, Lin-Shu Du, Kimberly Kelsey, Hiroshi Kojitani, Masaki Akaogi, and Shigeaki Ono

344

The effect of chlorine on the viscosity of Na₂O-Fe₂O₃-Al₂O₃-SiO₂ melts
Milada Zimova and Sharon Webb

353

TEM imaging and analysis of microinclusions in diamonds: A close look at diamond-growing fluids
Ofra Klein-BenDavid, Richard Wirth, and Oded Navon

366

A partial molar volume for ZnO in silicate melts
M. Potuzak, D.B. Dingwell, B. Ledda, and P. Courtial

375

Garnet-spinel intergrowths in ultrahigh-temperature granulite, Eastern Ghats, India: Possible evidence of an early Tschermak-rich orthopyroxene during prograde metamorphism
Kaushik Das, Sankar Bose, Ichiro Ohnishi, and Somnath Dasgupta

385

The partial molar volume of Fe₂O₃ in alkali silicate melts: Evidence for an average Fe³⁺ coordination number near five
Qiong Liu and Rebecca A. Lange

394

The crystal structure of a second antigorite polysome (m = 16), by single-crystal synchrotron diffraction
Gian Carlo Capitani and Marcello Mellini

400

Oxide melt solution calorimetry of sulfides: Enthalpy of formation of sphalerite, galena, greenockite, and hawleyite
Suraj Deore and Alexandra Navrotsky

425

Synthetic P2₁/m amphiboles in the system Li₂O-Na₂O-MgO-SiO₂-H₂O (LNMSH)
Gianluca Iezzi, Giancarlo Della Ventura, and Mario Tribaudino

430

Incongruent dissolution of wollastonite measured with vertical scanning interferometry
Elisabeth Green and Andreas Luttge

435

Experiments on CaCO₃-MgCO₃ solid solutions at high pressure and temperature
Alessandra Buob, Robert W. Luth, Max W. Schmidt, and Peter Ulmer

441

Calorimetric data for naturally occurring magnesiocarpholite and ferrocarpholite
Christian Bertoldi, Edgar Dachs, and Thomas Theye

446

Clinopyroxene exsolution in wollastonite from Namaqualand granulite, South Africa
Yusuke Seto, Shugo Ohi, Norimasa Shimobayashi, Masao Kitamura, Akira Miyake, Yoshikuni Hiroi, and Geoffrey H. Grantham

487

BOOK REVIEW: MINERALS FIRST DISCOVERED ON THE TERRITORY OF THE FORMER SOVIET UNION by Igor V. Pekov. Ocean Pictures, Moscow, 369 pages.
Florie Caporuscio

483

REVIEWERS 2005

485

ERRATA: Variability of apatite fission-track annealing kinetics: III. Extrapolation to geological time scales, Richard A. Ketcham, Raymond A. Donelick, and William D. Carlson (vol. 84, pages 1235-1255, 1999).