American Mineralogist
Open AccessLETTER
622
Determination of the crystal structure of sanderite, MgSO4·2H2O, by X-ray powder diffraction and the charge flipping method
Hongwei Ma, David L. Bish, Hsiu-Wen Wang, and Steve J. Chipera
626
Forsterite, wadsleyite, and ringwoodite (Mg2SiO4): 29Si NMR constraints on structural disorder and effects of paramagnetic impurity ions
Jonathan F. Stebbins, Wendy R. Panero, Joseph R. Smyth, and Daniel J. Frost
630
Crystal structure and Raman spectrum of a high-pressure Li-rich majoritic garnet, (Li2Mg)Si2(SiO4)3
Hexiong Yang, JŸrgen Konzett, Robert T. Downs, and Daniel J. Frost
634
Quasi-ice-like CP behavior of molecular H2O in hemimorphite Zn4Si2O7(OH)2·H2O: CP and entropy of confined H2O in microporous silicates
Charles A. Geiger and Edgar Dachs
REGULAR ARTICLE
409
Acid production by FeSO4·nH2O dissolution and implications for terrestrial and martian aquatic systems
Joel A. Hurowitz, Nicholas J. Tosca, and M. Darby Dyar
415
Growth controls in colloform pyrite
Craig D. Barrie, Adrian J. Boyce, Alan P. Boyle, Patrick J. Williams, Kevin Blake, Takahiko Ogawara, Junji Akai, and David J. Prior
430
Parageneses and Th-U distributions among allanite, monazite, and xenotime in Barrovian-type metapelites, Imjingang belt, central Korea
Yoonsup Kim, Keewook Yi, and Moonsup Cho
439
Magmatic vs. hydrothermal origins for zircon associated with tantalum mineralization in the Tanco pegmatite, Manitoba, Canada
Marieke Van Lichtervelde, Frank Melcher, and Richard Wirth
451
Molecular conformation and anion configuration variations for As4S4 and As4Se4 in an anion-substituted solid solution
Atsushi Kyono
461
Low-pressure clino- to high-pressure clinoenstatite phase transition: A phonon-related mechanism
Yonggang G. Yu and Renata M. Wentzcovitch
467
Coordination study of rare earth elements on Fe oxyhydroxide and Mn dioxides: Part I. Influence of a multi-electron excitation on EXAFS analyses of La, Pr, Nd, and Sm
Atsuyuki Ohta, Hiroyuki Kagi, Masaharu Nomura, Hiroshi Tsuno, and Iwao Kawabe
476
Coordination study of rare earth elements on Fe oxyhydroxide and Mn dioxides: Part II. Correspondence of structural change to irregular variations of partitioning coefficients and tetrad effect variations appearing in interatomic distances
Atsuyuki Ohta, Hiroyuki Kagi, Masaharu Nomura, Hiroshi Tsuno, and Iwao Kawabe
487
Aluminocerite-Ce: A new species from Baveno,Italy: Description and crystal-structure determination
Fabrizio Nestola, Alessandro Guastoni, Fernando Cámara, Luciano Secco, Alberto Dal Negro, Danilo Pedron, and Anton Beran
494
A thermodynamic model for the plagioclase-liquid hygrometer/thermometer
Rebecca A. Lange, Holli M. Frey, and Jacob Hector
507
Solid-state NMR and IR spectroscopic investigation of the role of structural water and F in carbonate-rich fluorapatite
Harris E. Mason, Francis M. McCubbin, Alexander Smirnov, and Brian L. Phillips
517
Chemical-structural modularity in the tetradymite group: A HRTEM study
Cristiana Liana Ciobanu, Allan Pring, Nigel John Cook, Peter Self, David Jefferson, Gabriel Ionel Dima, and Volodymir Melnikov
535
Stability of pargasite during ultrahigh-temperature metamorphism: A consequence of titanium and REE partitioning?
K. Sajeev, Y. Osanai, Y. Kon, and T. Itaya
547
Raman spectroscopic and microscopic criteria for the distinction of microdiamonds in ultrahigh-pressure metamorphic rocks from diamonds in sample preparation materials
Maria Perraki, Andrey V. Korsakov, David C. Smith, and Evripidis Mposkos
557
Lattice compression and structural behavior of NaVSi2O6 clinopyroxene to 11 GPa
Angela Ullrich, Ronald Miletich, Fabrizio Nestola, Christian Weikusat, and Haruo Ohashi
565
A predictive model for the enthalpies of hydration of zeolites
Philippe Vieillard and Romain Mathieu
578
Thermal decomposition of calcite: Mechanisms of formation and textural evolution of CaO nanocrystals
Carlos Rodriguez-Navarro, Encarnacion Ruiz-Agudo, Ana Luque, Alejandro B. Rodriguez-Navarro, and Miguel Ortega-Huertas
594
Synchrotron M??ssbauer spectroscopic study of ferropericlase at high pressures and temperatures
Jung-Fu Lin, Alexander G. Gavriliuk, Wolfgang Sturhahn, Steven D. Jacobsen, Jiyong Zhao, Michael Lerche, and Michael Hu
600
Effective radii of noble gas atoms in silicates from first-principles molecular simulation
Liqun Zhang, James A. Van Orman, and Daniel J. Lacks
609
Fettelite, [Ag6As2S7][Ag10HgAs2S8] from Chañarcillo, Chile: Crystal structure, pseudosymmetry, twinning, and revised chemical formula
Luca Bindi, Frank N. Keutsch, Carl A. Francis, and Silvio Menchetti
616
High-pressure phase transformation in LiFeGe2O6 pyroxene
Fabrizio Nestola, GŸnther J. Redhammer, Martha G. Pamato, Luciano Secco, and Alberto Dal Negro
NEW MINERAL NAMES
648
NEW MINERAL NAMES
Paula C. Piilonen, Glenn Poirier, and Kimberly T. Tait
AWARD
638
Presentation of the Roebling Medal for 2008 of Mineralogical Society of America to Bernard W. Evans
Donna L. Whitney
639
Acceptance of the Mineralogical Society of America Roebling Medal for 2008
Bernard W. Evans
641
Presentation of the Mineralogical Society of America Award for 2008
Ho-kwang “David†Mao
643
Acceptance of the Mineralogical Society of America Award for 2008
James Badro
644
Presentation of the Mineralogical Society of America Dana Medal for 2008 to Thomas Armbruster
Martin Kunz
646
Acceptance of the Dana medal of the Mineralogical Society of America for 2008
Thomas Armbruster
BOOK REVIEW
655
BOOK REVIEW: FLUID-FLUID INTERACTIONS. Axel Liebscher and Christoph A. Heinrich, Eds. (2007) Reviews in Mineralogy and Geochemistry, 65, 430 p. Mineralogical Society of America, Chantilly, Virginia. ISBN 978-0-939950-77-5.
Bruce Yardley
REVIEWERS
653
REVIEWERS 2008
DEPOSIT ITEMS
409
Acid production by FeSO4·nH2O dissolution and implications for terrestrial and martian aquatic systems
Joel A. Hurowitz, Nicholas J. Tosca, and M. Darby Dyar
Item#: AM-09-013
React modeling scripts, including input files, and initial and final system states from model output.
AM-09-013.zip zipped
React modeling scripts, including input files, and initial and final system states from model output.
AM-09-013.zip zipped
451
Molecular conformation and anion configuration variations for As4S4 and As4Se4 in an anion-substituted solid solution
Atsushi Kyono
Item#: AM-09-019
Solid Solution Series and Table 3. Atomic fractional coordinates, site occupancy factor, and atomic displacement parameters
AM-09-019.zip zipped
Solid Solution Series and Table 3. Atomic fractional coordinates, site occupancy factor, and atomic displacement parameters
AM-09-019.zip zipped
487
Aluminocerite-Ce: A new species from Baveno,Italy: Description and crystal-structure determination
Fabrizio Nestola, Alessandro Guastoni, Fernando Cámara, Luciano Secco, Alberto Dal Negro, Danilo Pedron, and Anton Beran
Item#: AM-09-018
Observed and calculated structure factors and aluminocerite-(Ce) CIF file
AM-09-018.zip zipped
Observed and calculated structure factors and aluminocerite-(Ce) CIF file
AM-09-018.zip zipped
494
A thermodynamic model for the plagioclase-liquid hygrometer/thermometer
Rebecca A. Lange, Holli M. Frey, and Jacob Hector
Item#: AM-09-017
Appendices A. A table of plagioclase-liquid experiments used for calibration of hygrometer/thermometer and Appendices B. Information on how to use the plagioclase-liquid hygrometer/thermometer
AM-09-017.zip zipped
Appendices A. A table of plagioclase-liquid experiments used for calibration of hygrometer/thermometer and Appendices B. Information on how to use the plagioclase-liquid hygrometer/thermometer
AM-09-017.zip zipped
517
Chemical-structural modularity in the tetradymite group: A HRTEM study
Cristiana Liana Ciobanu, Allan Pring, Nigel John Cook, Peter Self, David Jefferson, Gabriel Ionel Dima, and Volodymir Melnikov
Item#: AM-09-012
Appendix 9 Tables, Appendix B, information about the MSCG for the simulation program and C++ Code for simulation program
AM-09-012.zip zipped
Appendix 9 Tables, Appendix B, information about the MSCG for the simulation program and C++ Code for simulation program
AM-09-012.zip zipped
565
A predictive model for the enthalpies of hydration of zeolites
Philippe Vieillard and Romain Mathieu
Item#: AM-09-014
Table 1. Chemical formulae, Al/Si and Al/H2O ratios, and measured enthalpies of hydration of zeolites, Table 3: Unit-cell volumes, _HO= Site A, framework density, water porosity, and measured enthalpies of hydration of zeolites and Table 11. Comparison of the experimental enthalpies of hydration with predicted enthalpies of hydration from Eq. N¡11 in Table 9 for all zeolites
AM-09-014.zip zipped
Table 1. Chemical formulae, Al/Si and Al/H2O ratios, and measured enthalpies of hydration of zeolites, Table 3: Unit-cell volumes, _HO= Site A, framework density, water porosity, and measured enthalpies of hydration of zeolites and Table 11. Comparison of the experimental enthalpies of hydration with predicted enthalpies of hydration from Eq. N¡11 in Table 9 for all zeolites
AM-09-014.zip zipped
609
Fettelite, [Ag6As2S7][Ag10HgAs2S8] from Chañarcillo, Chile: Crystal structure, pseudosymmetry, twinning, and revised chemical formula
Luca Bindi, Frank N. Keutsch, Carl A. Francis, and Silvio Menchetti
Item#: AM-09-015
Table 4. Anisotropic displacement parameters of the atoms for fettelite, Table 5. List of observed and calculated structure factors for fettelite and Crystallographic Information File for fettelite
AM-09-015.zip zipped
Table 4. Anisotropic displacement parameters of the atoms for fettelite, Table 5. List of observed and calculated structure factors for fettelite and Crystallographic Information File for fettelite
AM-09-015.zip zipped
616
High-pressure phase transformation in LiFeGe2O6 pyroxene
Fabrizio Nestola, GŸnther J. Redhammer, Martha G. Pamato, Luciano Secco, and Alberto Dal Negro
622
Determination of the crystal structure of sanderite, MgSO4·2H2O, by X-ray powder diffraction and the charge flipping method
Hongwei Ma, David L. Bish, Hsiu-Wen Wang, and Steve J. Chipera
Item#: AM-09-020
Appendix 1. Selected bond lengths () and angles(¡) for sanderite and Instead of a CIF, there is a Bond Valence Calculation. We apologize for any confusion.
Bond Valence Calculation for Sanderite, Kieserite, Starkyite, Pentahydrite, Hexahydrite, and Episomite. O of H2O molecules are not included.
AM-09-020.zip zipped
Appendix 1. Selected bond lengths () and angles(¡) for sanderite and Instead of a CIF, there is a Bond Valence Calculation. We apologize for any confusion.
Bond Valence Calculation for Sanderite, Kieserite, Starkyite, Pentahydrite, Hexahydrite, and Episomite. O of H2O molecules are not included.
AM-09-020.zip zipped
630
Crystal structure and Raman spectrum of a high-pressure Li-rich majoritic garnet, (Li2Mg)Si2(SiO4)3
Hexiong Yang, JŸrgen Konzett, Robert T. Downs, and Daniel J. Frost
Item#: AM-09-022
Figure 2. Raman spectra of Li-rich majoritic garnet and pyrope, Table 2. Atomic coordinates and displacement parameters in Li-bearing majoritic garnet, h,k,l, Fc-squared, Fo-squared, sigma(Fo-squared) and status flag and Li-rich garnet CIF file
Table 2. Atomic coordinates and displacement parameters in Li-bearing majoritic garnet, h,k,l, Fc-squared, Fo-squared, sigma(Fo-squared) and status flag and Li-rich garnet CIF file
AM-09-022.zip zipped
Figure 2. Raman spectra of Li-rich majoritic garnet and pyrope, Table 2. Atomic coordinates and displacement parameters in Li-bearing majoritic garnet, h,k,l, Fc-squared, Fo-squared, sigma(Fo-squared) and status flag and Li-rich garnet CIF file
Table 2. Atomic coordinates and displacement parameters in Li-bearing majoritic garnet, h,k,l, Fc-squared, Fo-squared, sigma(Fo-squared) and status flag and Li-rich garnet CIF file
AM-09-022.zip zipped
634
Quasi-ice-like CP behavior of molecular H2O in hemimorphite Zn4Si2O7(OH)2·H2O: CP and entropy of confined H2O in microporous silicates
Charles A. Geiger and Edgar Dachs
Item#: AM-09-021
Figure 1. Powder X-ray diagrams for natural and heat-treated hemimorphite and Table 1a. Raw experimental molar heat capacities, CP, of hemimorphite. M = 481.833 g molÐ1.
Table 1b. Raw experimental molar heat capacities, CP, of dehydrated hemimorphite. M = 463.818 g molÐ1.
Table 2. Fitted CP values for hemimorphite and dehydrated hemimorphite using equation (1) and the difference between the two (i.e., H2O in hemimorphite).
AM-09-021.zip zipped
Figure 1. Powder X-ray diagrams for natural and heat-treated hemimorphite and Table 1a. Raw experimental molar heat capacities, CP, of hemimorphite. M = 481.833 g molÐ1.
Table 1b. Raw experimental molar heat capacities, CP, of dehydrated hemimorphite. M = 463.818 g molÐ1.
Table 2. Fitted CP values for hemimorphite and dehydrated hemimorphite using equation (1) and the difference between the two (i.e., H2O in hemimorphite).
AM-09-021.zip zipped
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SPECIAL COLLECTIONS
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American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.