1312

Tazieffite, Pb₂₀Cd₂(As,Bi)₂₂S₅₀Cl₁₀, a new chloro-sulfosalt from Mutnovsky volcano, Kamchatka Peninsula, Russian Federation
Michael Zelenski, Anna Garavelli, Daniela Pinto, Filippo Vurro, Yves Moëlo, Luca Bindi, Emil Makovicky, and Elena Bonaccorsi

1361

Kumtyubeite Ca₅(SiO₄)₂F₂—A new calcium mineral of the humite group from Northern Caucasus, Kabardino-Balkaria, Russia
Irina О. Galuskina, Biljana Lazic, Thomas Armbruster, Evgeny V. Galuskin, Viktor M. Gazeev, Aleksander E. Zadov, Nikolai N. Pertsev, Lidia Jeżak, Roman Wrzalik, and Anatoly G. Gurbanov

1388

Equation of state of γ-tricalcium phosphate, γ-Ca₃(PO₄)₂, to lower mantle pressures
Shuangmeng Zhai, Xi Liu, Sean R. Shieh, Lifei Zhang, and Eiji Ito

1417

Prediction of the environmental impact of modern slags: A petrological and chemical comparative study with Roman age slags
Antonio M. Álvarez-Valero, Rafael Pérez-López, and José M. Nieto

1450

Ivanyukite-Na-T, ivanyukite-Na-C, ivanyukite-K, and ivanyukite-Cu: New microporous titanosilicates from the Khibiny massif (Kola Peninsula, Russia) and crystal structure of ivanyukite-Na-T
Victor N. Yakovenchuk, Alexander P. Nikolaev, Ekaterina A. Selivanova, Yakov A. Pakhomovsky, Julia A. Korchak, Dar’ya V. Spiridonova, Oleg A. Zalkind, and Sergey V. Krivovichev

1459

Ferritchromite and chromian-chlorite formation in mélange-hosted Kalkan chromitite (Southern Urals, Russia)
Anna Merlini, Giovanni Grieco, and Valeria Diella

1468

Multistage boron metasomatism in the Alamo Complex (Central Iberian Zone, Spain): Evidence from field relations, petrography, and ⁴⁰Ar/³⁹Ar tourmaline dating
Alfonso Pesquera, José Torres-Ruiz, Pedro P. Gil-Crespo, and Encarnación Roda-Robles

1483

Calcium Tschermak’s pyroxene, CaAlAlSiO₆, from the Allende and Murray meteorites: EBSD and micro-Raman characterizations
Chi Ma, Steven B. Simon, George R. Rossman, and Lawrence Grossman

1487

Steric hindrance and the enhanced stability of light rare-earth elements in hydrothermal fluids
Robert A. Mayanovic, Alan J. Anderson, William A. Bassett, and I-Ming Chou

1491

Grossmanite, CaTi³⁺AlSiO₆, a new pyroxene from the Allende meteorite
Chi Ma and George R. Rossman

1293

Evolution of uranium and thorium minerals
Robert M. Hazen, Rodney C. Ewing, and Dimitri A. Sverjensky

1325

The crystal structure, origin, and formation of idrialite (C₂₂H₁₄): Inferences from the microbeam and bulk analyses
Takuya Echigo, Mitsuyoshi Kimata, Teruyuki Maruoka, Masahiro Shimizu, and Norimasa Nishida

1333

Structural and spectroscopic characterization of a suite of fibrous amphiboles with high environmental and health relevance from Biancavilla (Sicily, Italy)
Giovanni B. Andreozzi, Paolo Ballirano, Antonio Gianfagna, Simona Mazziotti-Tagliani

1341

Bulk and key surface structures of hematite, magnetite, and goethite: A density functional theory study
Gary J. Martin, Richard S. Cutting, David J. Vaughan, and Michele C. Warren

1351

A crystal-chemical investigation of clinozoisite synthesized along the join Ca₂Al₃Si₃O₁₂(OH)-Ca₂Al₂CrSi₃O₁₂(OH)
Mariko Nagashima, Charles A. Geiger, and Masahide Akasaka

1371

Liquidus temperatures of the Skaergaard magma
Peter Thy, Christian Tegner, and Charles E. Lesher

1377

Optimizing experimental design, overcoming challenges, and gaining valuable information from the Sb K-edge XANES region
Skya E. Fawcett, Robert A. Gordon, and Heather E. Jamieson

1392

Effect of lattice topology on the adsorption of benzyl alcohol on kaolinite surfaces: Quantum chemical calculations of geometry optimization, binding energy, and NMR chemical shielding
Bum Han Lee and Sung Keun Lee

1405

The crystal structure of a naturally occurring 5C pyrrhotite from Sudbury, its chemistry, and vacancy distribution
Johan P.R. de Villiers, David C. Liles, and Megan Becker

1411

Finding the layer scattering origin of rectorite for basal peak calculations
Il Mo Kang, Myung Hun Kim, and Hi-Soo Moon

1428

General model for the aqueous precipitation of rough-surface nanocrystals and application to ferrihydrite genesis
Philippe Marchand and Denis G. Rancourt

1440

Sursassite: Hydrogen bonding, cation order, and pumpellyite intergrowth
Mariko Nagashima, Masahide Akasaka, Tetsuo Minakawa, Eugen Libowitzky, and Thomas Armbruster

1479

Kushiroite, CaAlAlSiO₆: A new mineral of the pyroxene group from the ALH 85085 CH chondrite, and its genetic significance in refractory inclusions
Makoto Kimura, Takashi Mikouchi, Akio Suzuki, Masaaki Miyahara, Eiji Ohtani, and Ahmed El Goresy

1495

NEW MINERAL NAMES
Paula C. Piilonen, Glenn Poirier, and Kimberly T. Tait

1502

BOOK REVIEW:NEUTRON SCATTERING IN EARTH SCIENCES. Hans-Rudolf Wenk, Editor. (2006) Reviews in Mineralogy and Geochemistry, vol. 63, 471 p. ISBN: 978-0-939950-75-1.
T.W. Darling