1081

The reaction talc + forsterite = enstatite + H₂O revisited: Application of conventional and novel experimental techniques and derivation of revised thermodynamic properties
Elena Melekhova, Max W. Schmidt, Peter Ulmer, and Elisabeth Guggenbühl

1170

The crystal structure of piergorite-(Ce), Ca₈Ce₂(Al_0.5Fe³⁺_0.5)_∑1 (◻,Li,Be)₂Si₆B₈O₃₆(OH,F)₂: A new borosilicate from Vetralla, Italy, with a modified hellandite-type chain
Massimo Boiocchi, Athos Callegari, and Luisa Ottolini

1184

Comprehensive chemical analyses of a cordierite from Kiranur, South India, and of an ilvaite from Serifos, Greece: Two new microprobe reference samples
Christian Bertoldi, Christoph Hauzenberger, Nouri-Saïd Rahmoun, Peter Raase, Peter Appel, Dieter Garbe-Schönberg, Harald Behrens, Werner Lottermoser, Georg Amthauer, and Edgar Dachs

1197

Terrestrial analogs of martian sulfates: Major and minor element systematics of alunite–jarosite from Goldfield, Nevada
J.J. Papike, J.M. Karner, M.N. Spilde, and C.K. Shearer

979

The origin of jadeitite-forming subduction-zone fluids: CL-guided SIMS oxygen-isotope and trace-element evidence
Sorena Sorensen, George E. Harlow, and Douglas Rumble III

997

Mineralogical characterization of the blue pigment of Michelangelo’s fresco “The Last Judgment”
Paolo Ballirano and Adriana Maras

1006

Microstructure and magnetism in the ilmenite-hematite solid solution: A Monte Carlo simulation study
Richard J. Harrison

1024

Enhanced mass transfer through short-circuit diffusion: Growth of garnet reaction rims at eclogite facies conditions
Lukas M. Keller, Rainer Abart, Richard Wirth, Daniel W. Schmid, and Karsten Kunze

1039

Behavior of H₂O molecules in the channels of natrolite and scolecite: A Raman and IR spectroscopic investigation of hydrous microporous silicates
B.A. Kolesov and C.A. Geiger

1049

Sound velocities and elastic constants of ZnAl₂O₄ spinel and implications for spinel-elasticity systematics
Hans J. Reichmann and Steven D. Jacobsen

1055

The role of water in the synthesis of glaucophane
David M. Jenkins and Juan-Carlos Corona

1069

On the connected porosity of mineral aggregates in crystalline rocks
Paul Sardini, Marja Siitari-Kauppi, Daniel Beaufort, and Karl-Heinz Hellmuth

1089

Ba(NpO₂)(PO₄)(H₂O), its relationship to the uranophane group, and implications for Np incorporation in uranyl minerals
Tori Z. Forbes and Peter C. Burns

1094

High-pressure phase transitions and hydrogen incorporation into MgSiO₃ enstatite
Geoffrey David Bromiley and Fiona Anne Bromiley

1102

High-pressure Raman spectroscopic studies of hydrous wadsleyite II
Annette K. Kleppe, Andrew P. Jephcoat, and Joseph R. Smyth

1110

Carbonate reduction by Fe-S-O melts at high pressure and high temperature
Sarah C. Gunn and Robert W. Luth

1117

Cancrinite: Crystal structure, phase transitions, and dehydration behavior with temperature
Ishmael Hassan, Sytle M. Antao, and John B. Parise

1125

On the structure of palygorskite by mid- and near-infrared spectroscopy
Vassilis Gionis, George H. Kacandes, Ioannis D. Kastritis, and Georgios D. Chryssikos

1134

Free energy of formation of zircon and hafnon
Hugh St.C. O’Neill

1142

In-situ AFM study of smectite dissolution under alkaline conditions at room temperature
Yoshihiro Kuwahara

1150

Angular dependence of potassium K-edge XANES spectra of trioctahedral micas: Significance for the determination of the local structure and electronic behavior of the interlayer site
Giannantonio Cibin, Annibale Mottana, Augusto Marcelli, and Maria Franca Brigatti

1163

M??ssbauer characterization of upper mantle ferrikaersutite
Sobhi Nasir and Ahmad D. Al-Rawas

1178

Native gold and native copper grains enclosed by olivine phenocrysts in a picrite lava of the Emeishan large igneous province, SW China
Zhaochong Zhang, Jingwen Mao, Fusheng Wang, and Franco Pirajno

1188

Vibrational spectroscopy of brucite: A molecular simulation investigation
Paul S. Braterman and Randall T. Cygan

1201

NEW MINERAL NAMES
T. Scott Ercit, Paula C. Piilonen, Andrew J. Locock, Uwe Kolitsch, And Ralph Rowe

1210

BOOK REVIEW: MINERALS: THEIR CONSTITUTION AND ORIGIN by Hans-Rudolf Wenk and Andrei G. Bulakh. Cambridge University Press, Cambridge, U.K., 2004. 646 pp., 526 ill + 16 plates.
Paul W. O. Hoskin