American Mineralogist, 2005, V 90, N 10, October.

 

LETTERS 
  
1669
An infrared study of carbon-oxygen bonding
in magnesite to 60 GPa 
Javier Santillan, Krystle Catalli, and 
Quentin Williams 

1674
Metals in quartz-hosted melt inclusions: 
Natural facts and experimental artifacts 
Vadim S. Kamenetsky and Leonid V. Danyushevsky 

1679
A high-pressure phase transition of calcite-III 
Krystle Catalli and Quentin Williams 

1683
Experimental observation of an interfacecontrolled
pseudomorphic replacement reaction in a 
natural crystalline pyrochlore 
Thorsten Geisler, Philipp P?ml, Thomas Stephan, 
Arne Janssen, and Andrew Putnis 

1688

A natural scandian garnet 
Irina O. Galuskina, Evgeny V. Galuskin, 
Piotr Dzierzanowski, Thomas Armbruster, 
and Marcin Kozanecki

PRESENTIAL ADDRESS

  
1473
Some Precambrian banded iron-formations (BIFs) 
from around the world: Their age, geologic 
setting, mineralogy, metamorphism, geochemistry, and origin 
Cornelis Klein
 

ARTICLES

  
1500
Effects of high pressure and high temperature
on cation ordering in magnesioferrite, MgFe2O4,
using in situ synchrotron X-ray powder 
diffraction up to 1430 K and 6 GPa 
Sytle M. Antao, Ishmael Hassan, Wilson A. Crichton, 
and John B. Parise 

1506
Raman spectroscopy and vibrational analyses
of albite: From 25 °C through the melting temperature 
David A. McKeown 

1518
A new occurrence of xitieshanite [Fe3+(SO4)Cl·6H2O]
crystals in acid-mine seepways, Green Valley, 
Vigo County, Indiana, U.S.A. 
Erik Melchiorre, James Mills Jr., Deborah Dale, 
and Brandon Chapman 

1522
Effect of A-site cation radius on ordering of 
BX6 octahedra in (K,Na)MgF3 perovskite 
C. David Martin, Santanu Chaudhuri, Clare P. Grey, 
and John B. Parise 

1534
Crystal chemistry of NaMgF3 perovskite at high
pressure and temperature 
Jiuhua Chen, Haozhe Liu, C. David Martin, 
John B. Parise, and Donald J. Weidner 

1540
Hyperfine electric field gradient tensors at 
Fe2+ sites in octahedral layers: Toward understanding
oriented single-crystal Mossbauer spectroscopy
measurements of micas 
R. James Evans, Denis G. Rancourt, and Michael Grodzicki 

1556
Does the bazhenovite structure really contain a 
thiosulfate group? A structural and spectroscopic
study of a sample from the type locality 
Luca Bindi, Paola Bonazzi, Luigi Dei, and Angela Zoppi 

1563
Light-induced degradation dynamics in realgar: 
in situ structural investigation using single-crystal
X-ray diffraction study and X-ray photoelectron spectroscopy 
Atsushi Kyono, Mitsuyoshi Kimata, and Tamao Hatta 


1571
Absolute quantification by powder X-ray diffraction
of complex mixtures of crystalline and amorphous
phases for applications in the Earth sciences 
Denis G. Rancourt and Mei-Zhen Dang 

1587
Detrital illite crystals identified from crystallite
thickness measurements in siliciclastic sediments 
Luca Aldega and D.D. Eberl 

1597
High-temperature density of lanthanidebearing 
Na-silicate melts: Partial molar volumes for Ce2O3, 
Pr2O3, Nd2O3, Sm2O3, Eu2O3, Gd2O3, Tb2O3, Dy2O3, 
Ho2O3, Er2O3, Tm2O3, and Yb2O3 
Philippe Courtial and Donald B. Dingwell 

1606
Coupled dichotomies of apatite and fluid composition
during contact metamorphism of siliceous carbonate rocks 
Sarah C. Penniston-Dorland and John M. Ferry 

1619
The effect of zoned garnet on metapelite pseudosection
topology and calculated metamorphic P-T paths 
Carlos A. Zuluaga, Harold H. Stowell, and Douglas K. Tinkham 

1629
Low-pressure and low-temperature K-bearing 
kosmochloric diopside from the Osayama serpentinite
melange, SW Japan 
Tatsuki Tsujimori and Juhn G. Liou 
 

1636

Dehydration of natural stilbite: An in situ FTIR study 
P.S.R. Prasad, K. Shiva Prasad, and S. Ramana Murthy 

1641
Structural changes accompanying the phase 
transformation between leadhillite and susannite:
A structural study by means of in situ 
high-temperature single-crystal X-ray diffraction 
Luca Bindi and Silvio Menchetti 

1648
Optic properties of centimeter-sized crystals 
determined in air with the spindle stage 
using EXCALIBRW 
Mickey E. Gunter, Robert T. Downs, Kurt L. Bartelmehs, 
Stanley H. Evans, Carolyn J.S. Pommier, 
Jack S. Grow, Matthew S. Sanchez, and F. Donald Bloss 

1655
Zoltaiite, a new barium-vanadium nesosubsilicate 
mineral from British Columbia: Description and crystal structure 
Paul R. Bartholomew, Franco Mancini, Christopher Cahill,
George E. Harlow, and Heinz-Juergen Bernhardt 

1661
Mn-tourmaline from island of Elba (Italy): Crystal chemistry 
Ferdinando Bosi, Giovanna Agros?, Sergio Lucchesi, 
Giovanni Melchiorre, and Eugenio Scandale