American Mineralogist, 2005, V 90, N 8-9,
August-September.
LETTERS
1453
The effect of fictive temperature on Al
coordination in high-pressure (10 GPa) sodium
aluminosilicate glasses
Jeffrey R. Allwardt, Brent T. Poe, and
Jonathan F. Stebbins
1458
?-PbO2-type nanophase of TiO2 from coesite-bearing
eclogite in the Dabie Mountains, China
Xiuling Wu, Dawei Meng, and Yujing Han
1462
Morphological characteristics of ordered kaolinite:
Investigation using electron back-scattered diffraction
Jun Kameda, Akihiko Yamagishi, and Toshihiro Kogure
ARTICLES
1233
Crystal-size and shape distributions of magnetite
from uncultured magnetotactic bacteria as
a potential biomarker
Balazs Arato, Zoltan Szanyi, Christine Flies,
Dirk Schuler, Richard B. Frankel, Peter R. Buseck,
and Mihaly Posfai
1241
Tourmaline-bearing rocks in the Singhbhum shear
zone, eastern India: Evidence of boron infiltration
during regional metamorphism
Nandini Sengupta, Dhruba Mukhopadhyay,
Pulak Sengupta, and Radegund Hoffbauer
1256
High-resolution transmission electron microscopy
(HRTEM) study of the 4a and 6a superstructure
of bornite Cu5FeS4
Yang Ding, David R. Veblen, and Charles T. Prewitt
1265
Possible Fe/Cu ordering schemes in the 2a
superstructure of bornite (Cu5FeS4)
Yang Ding, David R. Veblen, and Charles T. Prewitt
1270
TEM-specimen preparation of cell/mineral
interfaces by Focused Ion Beam milling
Martin Obst, Philippe Gasser, Denis Mavrocordatos,
and Maria Dittrich
1278
Direct observation of spinodal decomposition
in the magnetite-hercynite system by
susceptibility measurements and transmission
electron microscopy
Ute Golla-Schindler, Hugh St.C. OĠNeill, and Andrew Putnis
1284
Thermodynamics of uranyl minerals: Enthalpies
of formation of rutherfordine, UO2CO3, andersonite,
Na2CaUO2(CO3)3(H2O)5, and grimselite, K3NaUO2(CO3)3H2O
Karrie-Ann Kubatko, Katheryn B. Helean,
Alexandra Navrotsky, and Peter C. Burns
1291
Mixing and ordering behavior in
manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Serena C. Tarantino and Michele Zema
1301
Structure change of MgSiO3, MgGeO3, and MgTiO3
ilmenites under compression
T. Yamanaka, Y. Komatsu, M. Sugahara, and T. Nagai
1308
Dehydration processes in the meta-autunite
group minerals meta-autunite, metasaleeite,
and metatorbernite
Yohey Suzuki, Tsutomu Sato, Hiroshi Isobe,
Toshihiro Kogure, and Takashi Murakami
1315
Investigation of the martensitic-like
transformation from Mg2GeO4 olivine to
its spinel structure polymorph
Pamela C. Burnley
1325
A high-temperature diffraction study of
the solid solution CaTiOSiO4-CaTiOGeO4
Rikke Ellemann-Olesen and Thomas Malcherek
1335
The vibrational spectrum of synthetic hydrogrossular
(katoite) Ca3Al2(O4H4)3: A lowtemperature
IR and Raman spectroscopic study
Boris A. Kolesov and Charles A. Geiger
1342
Structural characterization of biogenic
Mn oxides produced in seawater by the marine
bacillus sp. strain SG-1
S.M. Webb, B.M. Tebo, and J.R. Bargar
1358
Investigation of smectite hydration properties
by modeling experimental X-ray diffraction
patterns: Part I. Montmorillonite hydration properties
Eric Ferrage, Bruno Lanson, Boris A. Sakharov,
and Victor A. Drits
1375
Synthesis and crystal-chemistry of alkali
amphiboles in the system Na2O-MgO-FeOFe2O3-SiO2-H2O
as a function of fO2
Giancarlo Della Ventura, Gianluca Iezzi,
Gunther J. Redhammer, Frank C. Hawthorne,
Bruno Scaillet, and Daniela Novembre
1384
Compositional zoning in sphalerite crystals
Francesco Di Benedetto, Gian Piero Bernardini,
Pilar Costagliola, David Plant, and David J. Vaughan
1393
Structure and the extent of disorder in quaternary
(Ca-Mg and Ca-Na) aluminosilicate glasses and melts
Sung Keun Lee, George D. Cody, and Bjorn O. Mysen
1402
Makarochkinite, Ca2Fe2+4Fe3+TiSi4BeAlO20,
a new beryllosilicate member of the
aenigmatite-sapphirine-surinamite group
from the Il'men Mountains (southern Urals), Russia
Edward S. Grew, Jacques Barbier, Jim Britten,
Martin G. Yates, Vladislav O. Polyakov,
Elena P. Shcherbakova, Ulf Halenius, and Charles K. Shearer
1413
Formation of lava stalactites in the master
tube of the 17921793 flow field, Mt. Etna (Italy)
R.A. Corsaro, S. Calvari, and M. Pompilio
1422
Crystal-size distributions of garnets in
metapelites from the northeastern Bushveld
contact aureole, South Africa
Yasunari Kaneko, Toshiaki Tsunogae, and Takashi Miyano
1434
Early diagenetic origin of Al phosphate-sulfate
minerals (woodhouseite and crandallite series)
in terrestrial sandstones, Nova Scotia, Canada
Georgia Pe-Piper and Lila M. Dolansky
1442
Scandium silicates from the Baveno and Cuasso
al Monte NYF-granites, Southern Alps (Italy):
Mineralogy and genetic inferences
F. Pezzotta, V. Diella, and A. Guastoni
1466
NEW MINERAL NAMES
Paula C. Piilonen, and T. Scott Ercit