American Mineralogist, 2002, V 87, N 2-3, February-March.

 
PRESIDENTIAL ADDRESS 

185
Scales of disequilibrium and rates of equilibration during metamorphism 
William D. Carlson 

LETTERS 

359
Chloride ion sites in silicate and aluminosilicate glasses: a preliminary
study by 35Cl solid-state NMR 
Jonathan F. Stebbins and Lin-Shu Du 

364
Nuclear magnetic resonance and infrared spectroscopic study of excess-boron 
olenite from Koralpe, Styria, Austria 
Bernd Marler and Andreas Ertl 

ARTICLES 

205
Characterization of coexisting NH4- and K-micas in very low-grade metapelites 
Fernando Nieto 

217
Effect of sonic and ultrasonic frequencies on the crystallization of basalt 
Karen S. Bartels and Tanya Furman 

227
Sulfur saturation limits in silicate melts and their implications for core 
formation scenarios for terrestrial planets 
Astrid Holzheid and Timothy L. Grove 

238
Molecular water in beryl, VIAl2 [Be3Si6O18]·nH2O, as a function of pressure and 
temperature: An experimental study 
Rainer Pankrath and Klaus Langer 

245
Fluid-induced nucleation of (Y + REE)-phosphate minerals within apatite: Nature 
and experiment. Part I. Chlorapatite 
Daniel E. Harlov, Hans-Jurgen Forster, and Timo G. Nijland 

262
X-ray spectroscopic investigations of fluids in the hydrothermal diamond anvil 
cell: The hydration structure of aqueous La3+ up to 300 °C and 1600 bars 
Alan J. Anderson, Sumedha Jayanetti, Robert A. Mayanovic, William A. Bassett, 
and I-Ming Chou 

269
Fibrous nanoinclusions in massive rose quartz: HRTEM and AEM investigations 
Chi Ma, Julia S. Goreva, and George R. Rossman 

277
Polysomatism in hogbomite: The crystal structures of 10T, 12H, 14T, and 24R 
polysomes 
Clivia Hejny and Thomas Armbruster 

293
Ordering of hydroxyl defects in hydrous wadsleyite (?-Mg2SiO4) 
S.C. Kohn, R.A. Brooker, D.J. Frost, A.E. Slesinger, and B.J. Wood 

302
The crystal structure and cation ordering of Phase-X
(K1-x-n)2(Mg1-n[Al,Cr]n)2Si2O7H2x
A potential K- and H-bearing phase in the mantle 
Franco Mancini, George E. Harlow, and Christopher Cahill 

307
Feasibility of determining the quantitative OH content of garnets with Raman 
spectroscopy 
Elizabeth H. Arredondo and George R. Rossman 

312
Raman spectroscopic study of garnet inclusions in diamonds from the mantle 
transition zone 
Philippe Gillet, Violaine Sautter, Jeffery Harris, Bruno Reynard, 
Benjamin Harte, and Martin Kunz 

318
Raman spectroscopy of Fe2O3 to 62 GPa 
Sang-Heon Shim and Thomas S. Duffy 

327
Study of the (010) olivine surface by Rutherford backscattering spectrometry
in channeling geometry 
Laurence Lemelle, Francois Abel, Camille Cohen, and Francois Guyot 

333
Equation of state of dense hydrous magnesium silicate phase A, Mg7Si2O8(OH)6 
Wilson A. Crichton and Nancy L. Ross 

339
Si-F bonding in aluminosilicate glasses: Inferences from ab initio NMR 
calculations 
Yun Liu and Hanna Nekvasil 

347
Monoclinic nearly stoichiometric wustite at low temperatures 
Helmer Fjellvag, Bjorn C. Hauback, Tom Vogt, and Svein Stolen 

350
On the nature of tincalconite 
Rudy L. Luck and Ge Wang 

355
NEW MINERAL NAMES 
John L. Jambor and Andrew C. Roberts 

368
BOOK REVIEW 
Edward F. Stoddard 
OPTICAL CRYSTALLOGRAPHY. By F. Donald Bloss. Mineralogical Society of America 
(Monograph Series, Publication no. 5), 1999, Washington, D.C. 239 p. 

370
MEMORIAL 
Memorial of Harold Lloyd James, 1912-2000 
Paul B. Barton 

372
ERRATUM 
Minor element chemistry of hemo-ilmenite and magnetite in cumulate rocks from 
the Sokndal Region, South Rogaland, Norway, by Peter Robinson, Peter T. Panish, 
and Suzanne A. McEnroe (vol. 86, p. 1469-1476, 2001).