American Mineralogist
Open AccessLETTER
1238
Valence state partitioning of Cr and V between pyroxene-melt: Estimates of oxygen fugacity for martian basalt QUE 94201
J.M. Karner, J.J. Papike, C.K. Shearer, G. Mckay, L. Le, and P. Burger
1242
Crystal-structure refinement of Na-bearing clinopyroxenes from mantle-derived eclogite xenoliths
Fabrizio Nestola, Micaela Longo, Catherine McCammon, and Tiziana Boffa Ballaran
1246
High-pressure transition of CaCO3
Shigeaki Ono, Takumi Kikegawa, and Yasuo Ohishi
REGULAR ARTICLE
989
Experimental evidence of sixfold oxygen coordination for phosphorus
Fabrice Brunet, Anne-Marie Flank, Jean-Paul Itié, Tetsuo Irifune, and Pierre Lagarde
994
Dehydration of Ca-montmorillonite at the crystal scale. Part I: Structure evolution
Eric Ferrage, Caroline A. Kirk, Gordon Cressey, and Javier Cuadros
1007
Dehydration of Ca-montmorillonite at the crystal scale. Part 2. Mechanisms and kinetics
Eric Ferrage, Caroline A. Kirk, Gordon Cressey, and Javier Cuadros
1018
The high-pressure crystal structure of potassium hydrogen carbonate (KHCO3)
D.R. Allan, W.G. Marshall, and C.R. Pulham
1026
Effect of Al3+ and H+ on the elastic properties of stishovite
Dmitry L. Lakshtanov, Konstantin D. Litasov, Stanislav V. Sinogeikin, Holger Hellwig, Jie Li, Eiji Ohtani, and Jay D. Bass
1031
Investigation of synthetic Mg1.3V1.7O4 spinel with MgO inclusions: Case study of a spinel with an apparently occupied interstitial site
Hinako Uchida, Kevin Righter, Barbara Lavina, Matthew M. Nowell, Stuart I. Wright, Robert T. Downs, and Hexiong Yang
1038
Thermal expansion of deuterated hopeite, Zn3(PO4)2·4D2O
Paul F. Schofield, Kevin S. Knight, Mark E. Hodson, and Anna M. Lanfranco
1048
Compression, thermal expansion, structure, and instability of CaIrO3, the structure model of MgSiO3 post-perovskite
C. David Martin, Karena W. Chapman, Peter J. Chupas, Vitali Prakapenka, Peter L. Lee, Sarvjit D. Shastri, and John B. Parise
1054
Crystal chemical relationships in the tourmaline group: Structural constraints on chemical variability
Ferdinando Bosi and Sergio Lucchesi
1064
The energetics of hematite dissolution in iron-oxide-rich melts: In situ high-temperature calorimetric studies
Riham M. Morcos, Benjamin G. Ellis, and Alexandra Navrotsky
1071
A simple model of oscillatory zoning in magmatic plagioclase: Development of an isothermal undercooling model
Akira Tsune and Atsushi Toramaru
1080
TEM investigation of Ca-rich plagioclase: Structural fluctuations related to the I1–P1 phase transition
Péter Németh, Mario Tribaudino, Emiliano Bruno, and Peter R. Buseck
1087
Crystal-chemistry of Ni in marine ferromanganese crusts and nodules
Caroline L. Peacock and David M. Sherman
1093
Effect of structural transitions on properties of high-pressure silicate melts: 27Al NMR, glass densities, and melt viscosities
Jeffrey R. Allwardt, Jonathan F. Stebbins, Hidenori Terasaki, Lin-Shu Du, Daniel J. Frost, Anthony C. Withers, Marc M. Hirschmann, Akio Suzuki, and Eiji Ohtani
1105
Material conversion from paper-sludge ash in NaOH, KOH, and LiOH solutions
Takaaki Wajima, Hiroji Ishimoto, Keiko Kuzawa, Kazuhiko Ito, Osamu Tamada, Mickey E. Gunter, and John F. Rakovan
1112
High-pressure phase relations and crystal chemistry of calcium ferrite-type solid solutions in the system MgAl2O4-Mg2SiO4
Hiroshi Kojitani, Ryosuke Hisatomi, and Masaki Akaogi
1119
Origin of atoll garnets in eclogites and implications for the redistribution of trace elements during slab exhumation in a continental subduction zone
Hao Cheng, Eizo Nakamura, Katsura Kobayashi, and Zuyi Zhou
1130
Determination of the refractive index of particles in the clay and sub-micrometer size range
Peter G. Weidler and Frank Friedrich
1133
Crystal chemistry of synthetic Ca2Al3Si3O12OH–Sr2Al3Si3O12OH solid-solution series of zoisite and clinozoisite
G. Dörsam, A. Liebscher, B. Wunder, G. Franz, and M. Gottschalk
1148
Thermal infrared spectroscopy and modeling of experimentally shocked basalts
Jeffrey R. Johnson, Matthew I. Staid, and Michael D. Kraft
1158
P-V and T-V Equations of State of natural biotite: An in-situ high-pressure and high-temperature powder diffraction study, combined with M??ssbauer spectroscopy
A. Pavese, N. Curetti, V. Diella, D. Levy, M. Dapiaggi, and U. Russo
1165
Cation ordering in MgTi2O5 (karrooite): Probing temperature dependent effects with neutrons
Alistair R. Lennie, Kevin S. Knight, and C. Michael B. Henderson
1190
The high-pressure structural configurations of Ca0.2Sr0.8Al2Si2O8 feldspar: The I1–I2/c and I2/c–P21/c phase transitions
Piera Benna, Fabrizio Nestola, Tiziana Boffa Ballaran, TonÄi Balić-Žunić, Lars Fahl Lundegaard, and Emiliano Bruno
1200
Mechanisms of diamond oxidation and their bearing on the fluid composition in kimberlite magmas
Yana Fedortchouk, Dante Canil, and Elena Semenets
1213
Brittle fracturing and fracture healing of zircon: An integrated cathodoluminescence, EBSD, U-Th-Pb, and REE study
A. Rimša, M.J. Whitehouse, L. Johansson, and S. Piazolo
1225
Galaxite, MnAl₂O₄, a spectroscopic standard for tetrahedrally coordinated Mn²⺠in oxygen-based mineral structures
Ulf HÃ¥lenius, Ferdinando Bosi, and Henrik Skogby
1232
Magmatic paragonite in trondhjemites from the Sierra del Convento mélange, Cuba
Antonio GarcÃa-Casco
BOOK REVIEW
1250
BOOK REVIEW: THE SMALE COLLECTION: BEAUTY IN NATURAL CRYSTALS by Steve Smale (editors: G. Staebler and G. Neumeier), Lithographie. LLC, East Hampton, Conneticut (2006) 203 pages, hardcover,
Florie Caporuscio
1251
BOOK REVIEW: CHASING THE GLITTER: BLACK HILLS MILLING, 1874-1959, by Richard L. Clow. South Dakota State Historical Society Press, Pierre, South Dakota, 2002, 202 p.
John F. Childs
DEPOSIT ITEMS
1054
Crystal chemical relationships in the tourmaline group: Structural constraints on chemical variability
Ferdinando Bosi and Sergio Lucchesi
1133
Crystal chemistry of synthetic Ca2Al3Si3O12OH–Sr2Al3Si3O12OH solid-solution series of zoisite and clinozoisite
G. Dörsam, A. Liebscher, B. Wunder, G. Franz, and M. Gottschalk
Item#: AM-07-024
Table 5b: Refined isotropic displacement parameters of zoisite
AM-07-024.zip zipped
Table 5b: Refined isotropic displacement parameters of zoisite
AM-07-024.zip zipped
1165
Cation ordering in MgTi2O5 (karrooite): Probing temperature dependent effects with neutrons
Alistair R. Lennie, Kevin S. Knight, and C. Michael B. Henderson
Item#: AM-07-025
Table 5. Octahedral volumes, bond angle variance, quadratic elongation and individual and mean bond lengths for MgTi2O5 samples Kar2 and Kar4.
AM-07-025.zip zipped
Table 5. Octahedral volumes, bond angle variance, quadratic elongation and individual and mean bond lengths for MgTi2O5 samples Kar2 and Kar4.
AM-07-025.zip zipped
1190
The high-pressure structural configurations of Ca0.2Sr0.8Al2Si2O8 feldspar: The I1–I2/c and I2/c–P21/c phase transitions
Piera Benna, Fabrizio Nestola, Tiziana Boffa Ballaran, TonÄi Balić-Žunić, Lars Fahl Lundegaard, and Emiliano Bruno
Item#: AM-07-022
Table 7a. Observed and calculated structure factors for An20SrF80 feldspar
AM-07-022.zip zipped
Table 7a. Observed and calculated structure factors for An20SrF80 feldspar
AM-07-022.zip zipped
1242
Crystal-structure refinement of Na-bearing clinopyroxenes from mantle-derived eclogite xenoliths
Fabrizio Nestola, Micaela Longo, Catherine McCammon, and Tiziana Boffa Ballaran
Item#: AM-07-026
Table 3. Atomic fractional coordinates and isotropic thermal parameters (2) of clinopyroxenes and Table 4. Bond distances () and polyhedral volumes (3) of clinopyroxenes
AM-07-026.zip zipped
Table 3. Atomic fractional coordinates and isotropic thermal parameters (2) of clinopyroxenes and Table 4. Bond distances () and polyhedral volumes (3) of clinopyroxenes
AM-07-026.zip zipped
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American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.