983

Sejkoraite-(Y), a new member of the zippeite group containing trivalent cations from Jáchymov (St. Joachimsthal), Czech Republic: Description and crystal structure refinement
Jakub Plášil, Michal Dušek, Milan Novák, Jiří Čejka, Ivana Císařová, and Radek Škoda

1028

Magnesium quantification in calcites [(Ca,Mg)CO₃] by Rietveld-based XRD analysis: Revisiting a well-established method
Jürgen Titschack, Friedlinde Goetz-Neunhoeffer, and Jürgen Neubauer

1070

Dehydration of the natural zeolite goosecreekite CaAl₂Si₆O₁₆·5H₂O upon stepwise heating: A single-crystal and powder X-ray study
Eva Wadoski, Thomas Armbruster, Biljana Lazic, and Martin Fisch

1107

Crystal structure of Na₃Fe(SO₄)₃: A high-temperature product (~400 °C) of sideronatrite [Na₂Fe(SO₄)₂OH·3H₂O]
Fernando Scordari, Gennaro Ventruti, Alessandro F. Gualtieri, and Andrea Lausi

1120

Structure refinement of Ag-free heyrovskýite from Vulcano (Aeolian Islands, Italy)
D. Pinto, T. Balić-Žunić, A. Garavelli, and F. Vurro

1158

Thermoelastic property and high-pressure stability of Fe₇C₃: Implication for iron-carbide in the Earth’s core
Yoichi Nakajima, Eiichi Takahashi, Nagayoshi Sata, Yu Nishihara, Kei Hirose, Ken-ichi Funakoshi, and Yasuo Ohishi

1166

Yttriaite-(Y): The natural occurrence of Y₂O₃ from the Bol’shaya Pol’ya River, Subpolar Urals, Russia
Stuart J. Mills, Pavel M. Kartashov, Chi Ma, George R. Rossman, Margarita I. Novgorodova, Anthony R. Kampf, and Mati Raudsepp

1182

High-pressure I2/c–P2₁/c phase transformation in SrAl₂Si₂O₈ feldspar
Francesco Pandolfo, Tiziana Boffa Ballaran, Fabrizio Nestola, Monika Koch Müller, Maria Mrosko, and Emiliano Bruno

1186

Crystal structure of uchucchacuaite, AgMnPb₃Sb₅S₁₂, and its relationship with ramdohrite and fizélyite
H. Yang, R.T. Downs, S.H. Evans, M.N. Feinglos, and K.T. Tait

953

Needs and opportunities in mineral evolution research
Robert M. Hazen, Andrey Bekker, David L. Bish, Wouter Bleeker, Robert T. Downs, James Farquhar, John M. Ferry, Edward S. Grew, Andrew H. Knoll, Dominic Papineau, Jolyon P. Ralph, Dimitri A. Sverjensky, and John W. Valley

964

Rutile inclusions in quartz crystals record decreasing temperature and pressure during the exhumation of the Su-Lu UHP metamorphic belt in Donghai, East China
Xiaofeng Li, Brian Rusk, Rucheng Wang, Yuichi Morishita, Yasushi Watanabe, and Zhenyu Chen

974

A first-principles study of the phase transition from Holl-I to Holl-II in the composition KAlSi₃O₈
Liwei Deng, Xi Liu, Hong Liu, and Yigang Zhang

992

Thermoelastic and thermodynamic properties of plagioclase feldspars from thermal expansion measurements
Mario Tribaudino, Marco Bruno, Fabrizio Nestola, Daria Pasqual, and Ross J. Angel

1003

Quantitative determination of chrysotile in massive serpentinites using DTA: Implications for asbestos determinations
C. Viti, C. Giacobbe, and A.F. Gualtieri

1012

In situ observation of the crystallization pressure induced by halite crystal growth in a microfluidic channel
Nandini Sengupta, Pulak Sengupta, and Himanshu Kumar SachanKotaro Sekine, Atsushi Okamoto, and Kazuo Hayashi

1020

Microstructures of the larval shell of a pearl oyster, Pinctada fucata, investigated by FIB-TEM technique
Naoki Yokoo, Michio Suzuki, Kazuko Saruwatari, Hideo Aoki, Katsuaki Watanabe, Hiromichi Nagasawa, and Toshihiro Kogure

1039

The effect of Fe on olivine H₂O storage capacity: Consequences for H₂O in the martian mantle
A.C. Withers, M.M. Hirschmann, and T.J. Tenner

1054

Kinetics of thermal transformation of partially dehydroxylated pyrophyllite
Victor A. Drits, Arkadiusz Derkowski, and Douglas K. McCarty

1079

Incorporation mechanisms of Ta and Nb in zircon and implications for pegmatitic systems
Marieke Van Lichtervelde, Francois Holtz, Wanja Dziony, Thomas Ludwig, and Hans-Peter Meyer

1090

Variable-temperature ²⁷Al and ²⁹Si NMR studies of synthetic forsterite and Fe-bearing Dora Maira pyrope garnet: Temperature dependence and mechanisms of paramagnetically shifted peaks
Aaron C. Palke and Jonathan F. Stebbins

1100

Calibrating Ti concentrations in quartz for SIMS determinations using NIST silicate glasses and application to the TitaniQ geothermobarometer
Whitney M. Behr, Jay B. Thomas, and Richard L. Hervig

1112

Evidence for boron incorporation into the serpentine crystal structure
Sonja Pabst, Thomas Zack, Ivan P. Savov, Thomas Ludwig, Detlef Rost, and Edward P. Vicenzi

1129

Microtextures, microchemistry, and mineralogy of basaltic glass alteration, Jeju Island, Korea, with implications for elemental behavior
Gi Young Jeong and Young Kwan Sohn

1148

Orientation of channel carbonate ions in apatite: Effect of pressure and composition
Michael E. Fleet, Xiaoyang Liu, and Xi Liu

1171

Identification and characterization of nanosized tripuhyite in soil near Sb mine tailings
Satoshi Mitsunobu, Yoshio Takahashi, Satoshi Utsunomiya, Matthew A. Marcus, Yasuko Terada, Takeru Iwamura, and Masahiro Sakata

1190

BOOK REVIEW, QUANTITATIVE MINERAL RESOURCE ASSESSMENTS: AN INTEGRATED APPROACH by Donald A. Singer and W. David Menzie. (2010) Oxford University Press, 232 pages
Matthew Field