American Mineralogist, 2006, V 91, N 7, July.

LETTERS
 
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 

ARTICLES
 
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 

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 Guggenbuhl 

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
Mossbauer characterization of upper 
mantle ferrikaersutite 
Sobhi Nasir and Ahmad D. Al-Rawas 

1170
The crystal structure of piergorite-(Ce), 
Ca8Ce2(Al0.5Fe3+0.5)E1 (?,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 

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 

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-Said Rahmoun, Peter Raase, 
Peter Appel, Dieter Garbe-Schonberg, 
Harald Behrens, Werner Lottermoser, 
Georg Amthauer, and Edgar Dachs 

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 
Paul W. O. Hoskin 
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.