870

Kangite, (Sc,Ti,Al,Zr,Mg,Ca,)₂O₃, a new ultra-refractory scandia mineral from the Allende meteorite: Synchrotron micro-Laue diffraction and electron backscatter diffraction
Chi Ma, Oliver Tschauner, John R. Beckett, George R. Rossman, and Wenjun Liu

932

Incorporation of Zn in the destabilization products of muscovite at 1175 °C under disequilibrium conditions, and implications for heavy metal sequestration
Karine Devineau, Bertrand Devouard, Hugues Leroux, and Laurent Tissandier

946

H/D methane isotopologues dissolved in magmatic fluids: Stable hydrogen isotope fractionations in the Earth’s interior
Dionysis I. Foustoukos and Bjorn O. Mysen

955

Ca-Sr fractionation between zoisite, lawsonite, and aqueous fluids: An experimental study at 2.0 and 4.0 GPa/400 to 800 °C
Axel Liebscher, Guido Dörsam, Gerhard Franz, Bernd Wunder, and Matthias Gottschalk

966

The infrared vibrational spectrum of andradite-grossular solid solutions: A quantum mechanical simulation
Marco De La Pierre, Yves Noël, Sami Mustapha, Alessio Meyer, Philippe D’Arco, and Roberto Dovesi

993

High-pressure and high-temperature equation of state of cobalt oxide: Implications for redox relations in Earth’s mantle
Matthew M. Armentrout, Emma S.G. Rainey, and Abby Kavner

1066

A carbonate-fluoride defect model for carbonate-rich fluorapatite
Haohao Yi, Etienne Balan, Christel Gervais, Loïc Segalen, Franck Fayon, Damien Roche, Alain Person, Guillaume Morin, Maxime Guillaumet, Marc Blanchard, Michele Lazzeri, and Florence Babonneau

1070

Kumdykolite, a high-temperature feldspar from an enstatite chondrite
Péter Németh, Stephen W. Lehner, Michail I. Petaev, and Peter R. Buseck

1074

High-pressure aragonite phenocrysts in carbonatite and carbonated syenite xenoliths within an alkali basalt
Vratislav Hurai, Monika Huraiová, Rastislav Milovský, Jarmila Luptáková, and Patrik Konečný

1083

ERRATUM
Experimental VNIR reflectance spectroscopy of gypsum dehydration: Investigating the gypsum to bassanite transition by Tanya N. Harrison, Martha S. Gilmore, and James P. Greenwood (Original article published in American Mineralogist, vol. 97, p. 598–609, 2

817

Versatile monazite: Resolving geological records and solving challenges in materials science
Callum J. Hetherington and Gregory Dumond

819

Generalizations about monazite: Implications for geochronologic studies
Elizabeth J. Catlos

833

Monazite as a promising long-term radioactive waste matrix: Benefits of high-structural flexibility and chemical durability
Nicolas Dacheux, Nicolas Clavier, and Renaud Podor

848

Incorporation of Ge in ferrihydrite: Implications for the structure of ferrihydrite
Dogan Paktunc, Alain Manceau, and John Dutrizac

859

The pressures and temperatures of meteorite impact: Evidence from micro-Raman mapping of mineral phases in the strongly shocked Taiban ordinary chondrite
Tayro E. Acosta-Maeda, Edward R.D. Scott, Shiv K. Sharma, and Anupam K. Misra

879

New insights into the formation of diagenetic illite from TEM studies
Tao Chen, Hejing Wang, Ting Li, and Nan Zheng

888

Solidification of trapped liquid in rocks and crystals
S.A. Morse

897

Using the chemical composition of carbonate rocks on Mars as a record of secondary interaction with liquid water
Elisabeth M. Hausrath and Amanda A. Olsen

907

Multinuclear NMR study of Cs-bearing geyserites of the Targejia hot spring cesium deposit in Tibet
Bing Zhou, Erfeng Ren, Barbara L. Sherriff, and Yefeng Yao

914

Clay minerals as geo-thermometer: A comparative study based on high spatial resolution analyses of illite and chlorite in Gulf Coast sandstones (Texas, U.S.A.)
Franck Bourdelle, Teddy Parra, Olivier Beyssac, Christian Chopin, and Olivier Vidal

927

Kinking in Mg₂GeO₄ olivine: An EBSD study
Pamela C. Burnley, Christopher J. Cline II , and Alex Drue

977

Occurrence of silica polymorphs nanocrystals in tuffaceous rocks, Province of the Mesa Central, Mexico, and their formation from subcritical Si-rich fluids
Liberto De Pablo Galan, Mercedes Doval, Angel La Iglesia, Jesus Soriano, and Lourdes Chavez

986

Pressure-induced Pbca–P2₁/c phase transition of natural orthoenstatite: Compositional effect and its geophysical implications
Jin S. Zhang, Bruno Reynard, Gilles Montagnac, Ru Cheng Wang, and Jay D. Bass

1000

Synthesis and characterization of kanemite from fluoride-containing media: Influence of the alkali cation
Juan I. Corredor, Agust??n Cota, Esperanza Pav??n, and Maria D. Alba

1008

Structure of prismatic halloysite
Toshihiro Kogure, Kiyofumi Mori, Victor A. Drits, and Yoshizo Takai

1017

Fluorophlogopite from Piano delle Concazze (Mt. Etna, Italy): Crystal chemistry and implications for the crystallization conditions
Fernando Scordari, Emanuela Schingaro, Gennaro Ventruti, Eugenio Nicotra, Marco Viccaro, and Simona Mazziotti Tagliani

1026

Analysis of hydrogen and fluorine in pyroxenes: I. Orthopyroxene
Jed L. Mosenfelder and George R. Rossman

1042

Analysis of hydrogen and fluorine in pyroxenes: II. Clinopyroxene
Jed L. Mosenfelder and George R. Rossman

1055

Journal Impact Factors: Their relevance and their influence on society-published scientific journals
Keith Putirka, Martin Kunz, Ian Swainson, and Jennifer Thomson

1078

NEW MINERAL NAMES
Fernando Camara, G. Diego Gatta, Dmitriy Belakovskiy, Dorian G.W. Smith and Kimberly T. Tait

1084

Presentation of the 2012 Roebling Medal of the Mineralogical Society of America to Harry W. Green II
Larissa F. Dobrzhinetskaya

1086

Acceptance of the 2012 Roebling Medal of the Mineralogical Society of America
Harry W. Green II

1088

Presentation of the Mineralogical Society of America Award for 2012 to Karim Benzerara
Gordon E. Brown Jr.

1089

Acceptance of the Mineralogical Society of America Award for 2012
Karim Benzerara

1091

Presentation of the Dana Medal of the Mineralogical Society of America for 2013 to Max W. Schmidt
Bradley R. Hacker

1092

Acceptance of the Dana Medal of the Mineralogical Society of America for 2013
Max W. Schmidt