American Mineralogist, 2006, V 91, N 11-12, November-December.

LETTERS
 
1937
Crystallographic alignments in a coccolith 
(Pleurochrysis carterae) revealed by 
electron back-scattered diffraction (EBSD) 
Kazuko Saruwatari, Noriaki Ozaki,
Hiromichi Nagasawa, and Toshihiro Kogure 

1941
High-pressure study of FeS, between 20 
and 120 GPa, using synchrotron X-ray 
powder diffraction 
Shigeaki Ono and Takumi Kikegawa 

PRESIDENTIAL ADDRESS 
  
1715
Mineral surfaces and the prebiotic 
selection and organization of biomolecules 
Robert M. Hazen 

ARTICLES
 
  
1730
A rare garnet-tourmaline-sillimanite-biotite-ilmenite-quartz
assemblage from the granulite-facies 
region of south-central Massachusetts 
Jennifer A. Thomson 

1739
Effects of natural radiation damage on 
backscattered electron images of 
single crystals of minerals 
Lutz Nasdala, Andreas Kronz, 
John M. Hanchar, Marion Tichomirowa, 
Donald W. Davis, and Wolfgang Hofmeister 

1747
Thermal diffusivity of olivine-group 
minerals at high temperature 
Maik Pertermann and Anne M. Hofmeister 

1761
Quantum mechanical vs. empirical potential 
modeling of uranium dioxide (UO2) 
surfaces: (111), (110), and (100) 
Frances N. Skomurski, Rodney C. Ewing, 
Andrew L. Rohl, Julian D. Gale, and Udo Becker 

1773
A XANES study of Cu speciation in 
high-temperature brines using synthetic fluid inclusions 
Andrew J. Berry, Alistair C. Hack, 
John A. Mavrogenes, Matthew Newville, 
and Stephen R. Sutton 

1783
A new approach to determine and quantify 
structural units in silicate glasses 
using micro-reflectance 
Fourier-Transform infrared spectroscopy 
Kim N. Dalby and Penelope L. King 

1794
Titanium incorporation and VITi3+-IVTi4+ 
charge transfer in synthetic diopside 
Henrik Skogby, Ulf Halenius, 
Per Kristiansson, and Haruo Ohashi 

1802
Hugoniot and impact-induced phase 
transition of magnesite 
Toshimori Sekine, Hongliang He, 
Takamichi Kobayashi, and Akira Yamaguchi 

1807
Finite element modeling of elastic 
volume changes in fluid inclusions: 
Comparison with experiment 
Pamela C. Burnley and Christian Schmidt 

1815
Thermodynamics of mixing in pyrope-grossular, 
Mg3Al2Si3O12-Ca3Al2Si3O12, solid solution 
from lattice dynamics calculations 
and Monte Carlo simulations 
Victor L. Vinograd and Marcel H.F. Sluiter 

1831
Does antigorite really contain 4- and 
8-membered rings of tetrahedra? 
Istvan Dodony, Mihaly Posfai, 
and Peter R. Buseck 

1839
New insight into crystal chemistry of topaz: 
A multi-methodological study 
G. Diego Gatta, F. Nestola, 
G.D. Bromiley, and A. Loose 
 
1847
Tetrahedrally coordinated boron in 
tourmalines from the liddicoatite-elbaite 
series from Madagascar: Structure, 
chemistry, and infrared spectroscopic studies 
Andreas Ertl, John M. HOliver Tschauner, 
Sheng-Nian Luo, Paul D. Asimow, 
and Thomas J. Ahrensughes, Stefan Prowatke, 
Thomas Ludwig, Pinnelli S.R. Prasad, 
Franz Brandstatter, Wilfried Korner, 
Ralf Schuster, Franz Pertlik, 
and Horst Marschall 

1857
Recovery of stishovite-structure at 
ambient conditions out of 
shock-generated amorphous silica 
Oliver Tschauner, Sheng-Nian Luo, 
Paul D. Asimow, and Thomas J. Ahrens 

1863
New experimental data on biotite + 
magnetite + sanidine saturated 
phonolitic melts and application to 
the estimation of magmatic water fugacity 
Alessandro Fabbrizio, Paul J. Rouse, 
and Michael R. Carroll 

1871
Structural effects of pressure on 
triclinic chlorite: A single-crystal study 
P.F. Zanazzi, M. Montagnoli, 
S. Nazzareni, and P. Comodi 

1879
New high-pressure phase relations in CaSnO3 
Taku Tsuchiya and Jun Tsuchiya 

1888
A high-pressure Raman spectroscopic 
study of hafnon, HfSiO4 
Bouchaib Manoun, Robert T. Downs, 
and Surendra K. Saxena 

1893
Single-crystal elasticity of brucite, 
Mg(OH)2, to 15 GPa by Brillouin scattering 
Fuming Jiang, Sergio Speziale, and Thomas S. Duffy 

1901
The effect of composition on Cr2+/Cr3+ in silicate melts 
Andrew J. Berry, Hugh St.C. O'Neill, 
Dean R. Scott, Garry J. Foran, and J.M.G. Shelley 

1909
Phosphohedyphane, Ca2Pb3(PO4)3Cl, the phosphate 
analog of hedyphane: Description and crystal structure 
Anthony R. Kampf, Ian M. Steele, and Robert A. Jenkins 

1918
Synthesis of novel lead-molybdenum and 
lead-tungsten oxyhalides with the 
pinalite structure, Pb3MoO5Cl2 and Pb3WO5Br2 
Dmitri O. Charkin and Philip Lightfoot 

1922
Depolymerization effect of water in 
aluminosilicate glasses: Direct evidence 
from 1H-27Al heteronuclear correlation NMR 
Xianyu Xue and Masami Kanzaki 

1927
Hydroxylellestadite from Cioclovina Cave 
(Romania): Microanalytical, structural,
and vibrational spectroscopy data 
Bogdan P. Onac, Herta Effenberger, 
Karl Ettinger, and Simona Cinta Panzaru 

1932
Matioliite, the Mg-analog of burangaite, 
from Gentil mine, Mendes Pimentel, 
Minas Gerais, Brazil, and other occurrences 
Daniel Atencio, Jose M.V. Coutinho, 
Yvonne P. Mascarenhas, and Javier A. Ellena 

1945
NEW MINERAL NAMES 
Andrew J. Locock, T. Scott Ercit, 
Johan Kjellman, And Paula C. Piilonen, 

1955
BOOK REVIEW 
Florie Caporuscio 
GEMMOLOGY (third edition) by Peter G. Read. 
Elsevier, Amsterdam (2005) 324 pp., 
272 figures, 27 tables, 11 color plates 

1956
ERRATUM 
Icosahedral coordination of phosphorus in 
the crystal structure of melliniite, 
a new phosphide mineral from the 
Northwest Africa 1054 acapulcoite 
by Giovanni Pratesi, Luca Bindi, 
and Vanni Moggi-Cecchi 
(vol. 91, 451-454, 2006, DOI: 10.2138/am.2006.478).