American Mineralogist, 2005, V 90, N 7, July.

      
LETTERS

1209 
Optical and near infrared spectra of ringwoodite
 to 21.5 GPa: Implications for radiative heat 
transport in the mantle 
Hans Keppler and Joseph R. Smyth 

1213
Observation of nano-clustered calcite growth via
a transient phase mediated by organic polyanions: 
A close match for biomineralization 
Ingo Sethmann, Andrew Putnis, Olaf Grassmann, 
Peer Lobmann 

1218 
Aluminum coordination and the densification of 
high-pressure aluminosilicate glasses 
Jeffrey R. Allwardt, Jonathan F. Stebbins, 
Burkhard C. Schmidt, Daniel J. Frost, 
Anthony C. Withers, and Marc M. Hirschmann 

1223 
Crystal chemistry of a high-pressure C2/c 
clinopyroxene with six-coordinated silicon 
Hexiong Yang and Jurgen Konzett 

ARTICLES


1033 
A synthesis of systematic mineralogy 
L. Bruce Railsback 

1042 
Oxidation/alteration of pentlandite and 
pyrrhotite surfaces at pH 9.3: Part 1. 
Assignment of XPS spectra and chemical trends 
D.L. Legrand, G.M. Bancroft, and H.W. Nesbitt 

1055 
Oxidation of pentlandite and pyrrhotite surfaces
at pH 9.3: Part 2. Effect of xanthates and
dissolved oxygen 
D.L. Legrand, G.M. Bancroft, and H.W. Nesbitt 

1062 
X-ray Rietveld refinement and FTIR spectra 
of synthetic (Si,Ge)-richterites 
Kana Senda, Kiyotaka Ishida, and David M. Jenkins 

1072 
Influence of crystal chemistry on ideal plastic 
shear anisotropy in forsterite: First principle calculations 
Julien Durinck, Alexandre Legris, and Patrick Cordier 

1078
 High-temperature Mossbauer study of Fe-substituted mullite 
Daniel E. Mack, Klaus D. Becker, and Hartmut Schneider 

1084 
Pressure and temperature-dependence of water 
solubility in Fe-free wadsleyite 
Sylvie Demouchy, Etienne Deloule, Daniel James Frost, 
and Hans Keppler 

1092
Quartz exsolution in clinopyroxene is not 
proof of ultrahigh pressures: Evidence from 
eclogites from the Eastern Blue Ridge, 
Southern Appalachians, U.S.A. 
F. Zeb Page, E.J. Essene, and S.B. Mukasa 

1100 
The visible and infrared spectral properties
of jarosite and alunite 
Janice L. Bishop and Enver Murad 

1108
 Wakabayashilite, 
[(As,Sb)6S9][As4S5]: Crystal structure, 
pseudosymmetry, twinning, and revised chemical formula 
Paola Bonazzi, Giulio I. Lampronti, Luca Bindi,
and Stefano Zanardi 

1115
Compression of albite, NaAlSi3O8 
Matthew D. Benusa, Ross J. Angel, and Nancy L. Ross 

1121 
Effect of polymorphic transition on oxygen isotope
fractionation between aragonite, calcite, 
and water: A low-temperature experimental study 
Gen-Tao Zhou and Yong-Fei Zheng 

1131 
Effect of current density on the electron
microprobe analysis of alkali aluminosilicate glasses 
George B. Morgan VI and David London 

1139 
A high-pressure polytypic transformation in 
type-I chlorite 
Mark D. Welch and Wilson A. Crichton 

1146 
Experimental determination of crystal growth 
rates in highly supercooled aluminosilicate 
liquids: Implications for rate-controlling processes 
Mathieu Roskosz, Michael J. Toplis, and Pascal Richet 

1157 
P-V equation of State, thermal expansion, and
 P-T stability of synthetic zincochromite (ZnCr2O4 spinel) 
Davide Levy, Valeria Diella, Alessandro Pavese, 
Monica Dapiaggi, and Alessandra Sani 

1163
Niksergievite, 
[Ba1.33Ca0.67Al(CO3)(OH)4] [Al2(AlSi3O10)(OH)2]·nH2O, 
a new phyllosilicate related to the surite-ferrisurite series 
S.P. Saburov, Sergey N. Britvin, Galiya K. Bekenova, 
M.N. Sergieva, P.E. Kotelnikov, Nikita V. Chukanov, 
and Mariya A. Yagovkina 

1167 
The crystal-chemistry of holmquistites: 
Ferroholmquistite from Greenbushes (Western Australia) 
and hints for compositional constraints in BLi amphiboles 
Fernando Camara and Roberta Oberti 

1177 
Dissakisite-(La) from the Ulten zone peridotite 
(Italian Eastern Alps): A new end-member of the epidote group 
Simone Tumiati, Gaston Godard, Silvana Martin, 
Paolo Nimis, Volkmar Mair, and Bernard Boyer 

1186 
Mazzite-Na, a new zeolite from Boron, California: 
Its description and crystal structure 
R. Arletti, E. Galli, G. Vezzalini, and W.S. Wise 

1192 
Low-temperature illitization of smectite in the 
late eocene and early oligocene of the Isle of 
Wight (Hampshire basin), U.K. 
J.M. Huggett and J. Cuadros 

1203 
First reported sedimentary occurrence of berlinite 
(AlPO4) in phosphate-bearing sediments from 
Cioclovina Cave, Romania—Comment 
Stefan Marincea and Delia-Georgeta Dumitras 

1227 
NEW MINERAL NAMES 
Paula C. Piilonen, Edward S. Grew, 
T. Scott Ercit, Andrew C. Roberts, and John L. Jambor