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American Mineralogist: Journal of Earth and Planetary Materials

Vol. 106, no. 6        June 2021 Table of Contents

LETTER
1026
On the formation of arrays of micro-tunnels in pyrope and almandine garnets
Jacques Rabier, Arthur H. Heuer, and Kevin J. Hemker
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SPECIAL COLLECTION: LITHIUM, BERYLLIUM AND BORON: QUINTESSENTIALLY CRUSTAL
851
Cation partitioning among crystallographic sites based on bond-length constraints in tourmaline-supergroup minerals
Peter Bačík and Jana Fridrichová
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862
Magnesio-lucchesiite, CaMg3Al6(Si6O18)(BO3)3(OH)3O, a new species of the tourmaline supergroup
Emily D. Scribner, Jan Cempírek, Lee A. Groat, R. James Evans, Cristian Biagioni, Ferdinando Bosi, Andrea Dini, Ulf Hålenius, Paolo Orlandi, and Marco Pasero
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872
Raman spectroscopic quantification of tetrahedral boron in synthetic aluminum-rich tourmaline
Martin Kutzschbach, Bernd Wunder, Iris Wannhoff, Franziska D.H. Wilke, Frédéric Couffignal, and Alexander Rocholl
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REGULAR ARTICLE
883
Thermal expansion of minerals in the pyroxene system and examination of various thermal expansion models
Guy L. Hovis, Mario Tribaudino, Amanda Leaman, Christine Almer, Caitlin Altomare, Matthew Morris, Nicole Maksymiw, Derek Morris, Kevin Jackson, Brian Scott, Gary Tomaino, and Luciana Mantovani
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900
Incorporation of tetrahedral ferric iron into hydrous ringwoodite
Andrew R. Thomson, Ross O. Piltz, Wilson A. Crichton, Valerio Cerantola, Isra S. Ezad, David P. Dobson, Ian G. Wood, and John P. Brodholt
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909
The evolution of saponite: An experimental study based on crystal chemistry and crystal growth
Chaoqun Zhang, Hongping He, Sabine Petit, Fabien Baron, Qi Tao, Brian Gregoire, Jianxi Zhu, Yiping Yang, Shichao Ji, and Shangying Li
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922
Hydroxylpyromorphite, a mineral important to lead remediation: Modern description and characterization
Travis A. Olds, Anthony R. Kampf, John F. Rakovan, Peter C. Burns, Owen P. Mills, and Cullen Laughlin-Yurs
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930
Experiments on two techniques for the removal of barite from detrital zircon
Aaron J. Martin, Edna L. Guerrero-Juarez, and Claudia L. Rocha-Estopier
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944
Discovery of terrestrial allabogdanite (Fe,Ni)2P, and the effect of Ni and Mo substitution on the barringerite-allabogdanite high-pressure transition
Sergey N. Britvin, Oleg S. Vereshchagin, Vladimir V. Shilovskikh, Maria G. Krzhizhanovskaya, Liudmila A. Gorelova, Natalia S. Vlasenko, Anna S. Pakhomova, Anatoly N. Zaitsev, Andrey A. Zolotarev, Maxim Bykov, Maksim S. Lozhkin, and Fabrizio Nestola
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953
Pseudomorphic 9-line silician ferrihydrite and Fe-rich serpentine- group minerals in FeTi oxide-rich ferroan peridotite, Laramie anorthosite complex, Wyoming, U.S.A.
Bernard W. Evans, Scott M. Kuehner, and David J. Joswiak
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964
Synthesis and characterization of Fe(III)-Fe(II)-Mg-Al smectite solid solutions and implications for planetary science
Valerie K. Fox, Robert J. Kupper, Bethany L. Ehlmann, Jeffrey G. Catalano, Joseph Razzell-Hollis, William J. Abbey, Dirk J. Schild, Ryan D. Nickerson, Jonas C. Peters, Sydney M. Katz, and Annabelle C. White
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983
Evidence for a two-stage particle attachment mechanism for phyllosilicate crystallization in geological processes
Hongping He, Yiping Yang, Linya Ma, Xiaoli Su, Haiyang Xian, Jianxi Zhu, Hui Henry Teng, and Stephen Guggenheim
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994
Multiple generations of tourmaline from Yushishanxi leucogranite in South Qilian of western China record a complex formation history from B-rich melt to hydrothermal fluid
Tao Liu and Shao-Yong Jiang
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1009
Zhanghuifenite, Na3Mn2+4Mg2 Al(PO4)6, a new mineral isostructural with bobfergusonite, from the Santa Ana mine, San Luis province, Argentina
Hexiong Yang, Anaïs Kobsch, Xiangping Gu, Robert T. Downs, and Xiande Xie
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1016
Re-examination of the heterotype solid solution between calcite and strontianite and Ca-Sr fluid-carbonate distribution: An experimental study of the CaCO3-SrCO3-H2O system at 0.5–5 kbar and 600 °C
Ferry Schiperski, Axel Liebscher, Matthias Gottschalk, and Gerhard Franz
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ERRATUM
1030
ERRATUM
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BOOK REVIEW
1031
BOOK REVIEW
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