262

Thermal elastic behavior of CaSiO₃-walstromite: A powder X-ray diffraction study up to 900 °C
Xi Liu, Sicheng Wang, Qiang He, Jinlan Chen, Hejing Wang, Sichen Li, Fang Peng, Lifei Zhang, and Yingwei Fei

315

Redistribution of REE, Y, Th, and U at high pressure: Allanite-forming reactions in impure meta-quartzites (Sesia Zone, Western Italian Alps)
Daniele Regis, Bénédicte Cenki-Tok, James Darling, and Martin Engi

341

Aluminum ordering and clustering in Al-rich synthetic phlogopite: {¹H} → ²⁹Si CPMAS HETCOR spectroscopy and atomistic calculations
Ramona Langner, Michael Fechtelkord, Alberto García, Erika J. Palin, and Javier López-Solano

369

Recrystallization rims in zircon (Valle d’Arbedo, Switzerland): An integrated cathodoluminescence, LA-ICP-MS, SHRIMP, and TEM study
Pierre Vonlanthen, John D. Fitz Gerald, Daniela Rubatto, and Jörg Hermann

384

Unraveling complex <2 μm clay mineralogy from soils using X-ray diffraction profile modeling on particle-size sub-fractions: Implications for soil pedogenesis and reactivity
Fabien Hubert, Laurent Caner, Alain Meunier, and Eric Ferrage

407

High-pressure behavior of space group P2/n omphacite
Francesco Pandolfo, Fabrizio Nestola, Fernando Cámara, and M. Chiara Domeneghetti

447

Adolfpateraite, K(UO₂)(SO₄)(OH)(H₂O), a new uranyl sulphate mineral from Jáchymov, Czech Republic
Jakub Plášil, Jan Hloušek, František Veselovský, Karla Fejfarová, Michal Dušek, Radek Škoda, Milan Novák, Jiří Čejka, Jiří Sejkora, and Petr Ondruš

476

Determination of the oxidation state of Cu in substituted Cu-In-Fe-bearing sphalerite via μ-XANES spectroscopy
Nigel J. Cook, Cristiana L. Ciobanu, Joël Brugger, Barbara Etschmann, Daryl L. Howard, Martin D. de Jonge, Chris Ryan, and David Paterson

480

Morphological quantification of hierarchical geomaterials by X-ray nano-CT bridges the gap from nano to micro length scales
Sebastien Brisard, Rosie S. Chae, Isabelle Bihannic, Laurent Michot, Peter Guttmann, Jürgen Thieme, Gerd Schneider, Paulo J.M. Monteiro, and Pierre Levitz

455

Water and the compressibility of silicate glasses: A Brillouin spectroscopic study
Alan G. Whittington, Pascal Richet, and Alain Polian

468

Effect of alkalis on the Fe oxidation state and local environment in peralkaline rhyolitic glasses
Gabriele Giuli, Roberto Alonso-Mori, Maria Rita Cicconi, Eleonora Paris, Pieter Glatzel, Sigrid Griet Eeckhout, and Bruno Scaillet

257

Redetermination of the structure of 5C pyrrhotite at low temperature and at room temperature
David C. Liles and Johan P.R. de Villiers

268

Magnesioh??gbomite-2N4S: A new polysome from the central S??r Rondane Mountains, East Antarctica
Toshiaki Shimura, Junji Akai, Biljana Lazic, Thomas Armbruster, Masaaki Shimizu, Atsushi Kamei, Kazuhiro Tsukada, Masaaki Owada, and Masaki Yuhara

281

Hanjiangite, a new barium-vanadium phyllosilicate carbonate mineral from the Shiti barium deposit in the Dabashan region, China
Jiajun Liu, Guowu Li, Qian Mao, Shenghua Wu, Zhenjiang Liu, Shangguo Su, Ming Xiong, and Xiaoyan Yu

291

Combined neutron and X-ray diffraction determination of disorder in doped zirconolite-2M
Karl R. Whittle, Neil C. Hyatt, Katherine L. Smith, Irene Margiolaki, Frank J. Berry, Kevin S. Knight, and Gregory R. Lumpkin

299

Focused ion beam preparation and characterization of single-crystal samples for high-pressure experiments in the diamond-anvil cell
Hauke Marquardt and Katharina Marquardt

305

Phase stability and elastic properties of the NAL and CF phases in the NaMg₂Al₅SiO₁₂ system from first principles
Kenji Kawai and Taku Tsuchiya

329

MAS NMR measurements and ab initio calculations of the ²⁹Si chemical shifts in dumortierite and holtite
R. James Evans, Colin A. Fyfe, Lee A. Groat, and Anita E. Lam

353

Cell assemblies for reproducible multi-anvil experiments (the COMPRES assemblies)
Kurt D. Leinenweber, James A. Tyburczy, Thomas G. Sharp, Emmanuel Soignard, Tamara Diedrich, William B. Petuskey, Yanbin Wang, and Jed L. Mosenfelder

378

Temperature and humidity effects on ferric sulfate stability and phase transformation
Wenqian Xu and John B. Parise

399

Variations in elastic and anelastic properties of Co₃O₄ due to magnetic and spin-state transitions
Zhiying Zhang, Johannes Koppensteiner, Wilfried Schranz, and Michael A. Carpenter

415

Twinning in pyromorphite: The first documented occurrence of twinning by merohedry in the apatite supergroup
Stuart J. Mills, Giovanni Ferraris, Anthony R. Kampf, and Georges Favreau

419

Spectroscopic characterization of alkali-metal exchanged natrolites
Dan Liu, Zhenxian Liu, Yongmoon Lee, Donghoon Seoung, and Yongjae Lee

425

Coupled (Li⁺, Al³⁺) substitutions in hydrous forsterite
Feiwu Zhang and Kate Wright

430

Crystal chemistry of trioctahedral micas-2M1 from Bunyaruguru kamafugite (southwest Uganda)
Fernando Scordari, Emanuela Schingaro, Maria Lacalamita, and Ernesto Mesto

440

Menchettiite, AgPb_2.40Mn_1.60Sb₃As₂S₁₂, a new sulfosalt belonging to the lillianite series from the Uchucchacua polymetallic deposit, Lima Department, Peru
Luca Bindi, Frank N. Keutsch, and Paola Bonazzi