Volume 91 Issue 5-6 | American Mineralogist

In this Issue

Presentation of Awards for 2005

Hourglass sector zoning in metamorphic tourmaline and resultant major and trace-element fractionation

Vincent J. van Hinsberg; John C. Schumacher; Stuart Kearns; Paul R.D. Mason; Gerhard Franz

American Mineralogist May 01, 2006, Vol.91, 717-728. doi:10.2138/am.2006.1920

Occurrence and late re-equilibration of pollucite from the Koktokay no. 3 pegmatite, Altai, northwestern China

Ru Cheng Wang; Huan Hu; Ai Cheng Zhang; François Fontan; Hui Zhang; Philippe de Parseval

American Mineralogist May 01, 2006, Vol.91, 729-739. doi:10.2138/am.2006.1881

Chemical bonding and electronic structures of the Al₂SiO₅ polymorphs, andalusite, sillimanite, and kyanite: X-ray photoelectron- and electron energy loss spectroscopy studies

Fumio S. Ohuchi; Subrata Ghose; Mark H. Engelhard; Donald R. Baer

American Mineralogist May 01, 2006, Vol.91, 740-746. doi:10.2138/am.2006.1887

Application of the simple salt lattice energy approximation to the solubility of minerals

Claude H. Yoder; Jeffrey P. Rowand

American Mineralogist May 01, 2006, Vol.91, 747-752. doi:10.2138/am.2006.2073

Quench rate and temperature effects on framework ordering in aluminosilicate melts

Emily V. Dubinsky; Jonathan F. Stebbins

American Mineralogist May 01, 2006, Vol.91, 753-761. doi:10.2138/am.2006.2039

The effect of sodium on the solubilities of metals in silicate melts

Alexander Borisov; Yann Lahaye; Herbert Palme

American Mineralogist May 01, 2006, Vol.91, 762-771. doi:10.2138/am.2006.1977

Nanotunnels and pull-aparts: Defects of exsolution lamellae in alkali feldspars

John D. Fitz Gerald; Ian Parsons; Nicola Cayzer

American Mineralogist May 01, 2006, Vol.91, 772-783. doi:10.2138/am.2006.2029

The structure and distribution of carbon in 3.5 Ga Apex chert: Implications for the biogenicity of Earth’s oldest putative microfossils

Bradley T. De Gregorio; Thomas G. Sharp

American Mineralogist May 01, 2006, Vol.91, 784-789. doi:10.2138/am.2006.2149

Site disorder revealed through Raman spectra from oriented single crystals: A case study on karooite (MgTi₂O₅)

Hanns-Peter Liermann; Robert T. Downs; Hexiong Yang

American Mineralogist May 01, 2006, Vol.91, 790-793. doi:10.2138/am.2006.2027

Single-crystal diffraction and transmission electron microscopy studies of “silicified” pyrochlore from Narssârssuk, Julianehaab district, Greenland

Paola Bonazzi; Luca Bindi; Matteo Zoppi; Gian Carlo Capitani; Filippo Olmi

American Mineralogist May 01, 2006, Vol.91, 794-801. doi:10.2138/am.2006.1777

Compressibility of synthetic potassium-rich clinopyroxene: In-situ high-pressure single-crystal X-ray study

Luca Bindi; Robert T. Downs; George E. Harlow; Oleg G. Safonov; Yuriy A. Litvin; Leonid L. Perchuk; Hinako Uchida; Silvio Menchetti

American Mineralogist May 01, 2006, Vol.91, 802-808. doi:10.2138/am.2006.2031

The effect of Ca substitution on the elastic and structural behavior of orthoenstatite

Fabrizio Nestola; G. Diego Gatta; Tiziana Boffa Ballaran

American Mineralogist May 01, 2006, Vol.91, 809-815. doi:10.2138/am.2006.1982

Dehydroxylation, proton migration, and structural changes in heated talc: An infrared spectroscopic study

Ming Zhang; Qun Hui; Xiao-Jie Lou; Simon A.T. Redfern; Ekhard K.H. Salje; Serena C. Tarantino

American Mineralogist May 01, 2006, Vol.91, 816-825. doi:10.2138/am.2006.1945

Stabilizing of methane hydrate and transition to a new high-pressure structure at 40 GPa

Hisako Hirai; Shin-ichi Machida; Taro Kawamura; Yoshitaka Yamamoto; Takehiko Yagi

American Mineralogist May 01, 2006, Vol.91, 826-830. doi:10.2138/am.2006.1991

Upper limit of the tetrahedral rotation angle and factors affecting octahedral flattening in synthetic and natural 1M polytype C2/m space group micas

Patrick H.J. Mercier; Denis G. Rancourt; Guenther J. Redhammer; André E. Lalonde; Jean-Louis Robert; Rob G. Berman; Hideomi Kodama

American Mineralogist May 01, 2006, Vol.91, 831-849. doi:10.2138/am.2006.1815

Cation order and hydrogen bonding of high-pressure phases in the Al₂O₃-SiO₂-H₂O system: An NMR and Raman study

Xianyu Xue; Masami Kanzaki; Hiroshi Fukui; Eiji Ito; Takafumi Hashimoto

American Mineralogist May 01, 2006, Vol.91, 850-861. doi:10.2138/am.2006.2064

Relationship among metamorphic grade, vesuvianite “rod polytypism,” and vesuvianite composition

Edwin Gnos; Thomas Armbruster

American Mineralogist May 01, 2006, Vol.91, 862-870. doi:10.2138/am.2006.1973

Assignment of infrared OH-stretching bands in calcic amphiboles through deuteration and heat treatment

Kiyotaka Ishida; Frank C. Hawthorne

American Mineralogist May 01, 2006, Vol.91, 871-879. doi:10.2138/am.2006.1774

Direct determination of cation site occupancies in natural ferrite spinels by L_2,3 X-ray absorption spectroscopy and X-ray magnetic circular dichroism

Carolyn I. Pearce; C. Michael B. Henderson; Richard A.D. Pattrick; Gerrit van der Laan; David J. Vaughan

American Mineralogist May 01, 2006, Vol.91, 880-893. doi:10.2138/am.2006.2048

Heat capacities and entropies of mixing of pyrope-grossular (Mg₃Al₂Si₃O₁₂-Ca₃Al₂Si₃O₁₂) garnet solid solutions: A low-temperature calorimetric and a thermodynamic investigation

Edgar Dachs; Charles A. Geiger

American Mineralogist May 01, 2006, Vol.91, 894-906. doi:10.2138/am.2006.2005

Fe²⁺ and Fe³⁺ quantification by different approaches and f_O₂ estimation for Albanian Cr-spinels

Marco Quintiliani; Giovanni B. Andreozzi; Giorgio Graziani

American Mineralogist May 01, 2006, Vol.91, 907-916. doi:10.2138/am.2006.2000

Inversion twinning in troilite

Roman Skála; Ivana Císařová; Milan Drábek

American Mineralogist May 01, 2006, Vol.91, 917-921. doi:10.2138/am.2006.1999

Chivruaiite, Ca₄(Ti,Nb)₅[(Si₆O₁₇)₂[(OH,O)₅]·13–14H₂O, a new mineral from hydrothermal veins of Khibiny and Lovozero alkaline massifs

Yuri P. Men’shikov; Sergey V. Krivovichev; Yakov A. Pakhomovsky; Victor N. Yakovenchuk; Gregory Yu. Ivanyuk; Julia A. Mikhailova; Thomas Armbruster; Ekaterina A. Selivanova

American Mineralogist May 01, 2006, Vol.91, 922-928. doi:10.2138/am.2006.2032

Pseudojohannite from Jáchymov, Musonoï, and La Creusaz: A new member of the zippeite-group

Joël Brugger; Kia Sheree Wallwork; Nicolas Meisser; Allan Pring; Petr Ondruš; Jiří Čejka

American Mineralogist May 01, 2006, Vol.91, 929-936. doi:10.2138/am.2006.1885

Scheuchzerite, Na(Mn,Mg)₉[VSi₉O₂₈(OH)](OH)₃, a new single-chain silicate

Joël Brugger; Sergey Krivovichev; Nicolas Meisser; Stefan Ansermet; Thomas Armbruster

American Mineralogist May 01, 2006, Vol.91, 937-943. doi:10.2138/am.2006.1965

Mn-tourmaline crystals from island of Elba (Italy): Growth history and growth marks

Giovanna Agrosì; Ferdinando Bosi; Sergio Lucchesi; Giovanni Melchiorre; Eugenio Scandale

American Mineralogist May 01, 2006, Vol.91, 944-952. doi:10.2138/am.2006.1978

The oxidation state of vanadium in titanomagnetite from layered basic intrusions

Etienne Balan; Johan P.R. De Villiers; Sigrid Griet Eeckhout; Pieter Glatzel; Michael J. Toplis; Emmanuel Fritsch; Thierry Allard; Laurence Galoisy; Georges Calas

American Mineralogist May 01, 2006, Vol.91, 953-956. doi:10.2138/am.2006.2192

Observation of bicarbonate in calcite by NMR spectroscopy

Jian Feng; Young J. Lee; Richard J. Reeder; Brian L. Phillips

American Mineralogist May 01, 2006, Vol.91, 957-960. doi:10.2138/am.2006.2206

Single-crystal elastic properties of dense hydrous magnesium silicate phase A

Carmen Sanchez-Valle; Stanislav V. Sinogeikin; Joseph R. Smyth; Jay D. Bass

American Mineralogist May 01, 2006, Vol.91, 961-964. doi:10.2138/am.2006.2193

Presentation of Awards for 2005

Presentation of the Roebling Medal for 2005 of the Mineralogical Society of America to Ho-kwang Mao

Charles T. Prewitt

American Mineralogist May 01, 2006, Vol.91, 965-966. doi:10.2138/am.2006.459

Acceptance of the Mineralogical Society of America Roebling Medal for 2005

Ho-kwang “David” Mao

American Mineralogist May 01, 2006, Vol.91, 967-968. doi:10.2138/am.2006.460

Presentation of the Mineralogical Society of America Award for 2005 to Tiziana Boffa-Ballaran

Ross J. Angel

American Mineralogist May 01, 2006, Vol.91, 969-970. doi:10.2138/am.2006.457

Acceptance of the Mineralogical Society of America Award for 2005

Tiziana Boffa Ballaran

American Mineralogist May 01, 2006, Vol.91, 971-972. doi:10.2138/am.2006.456

Presentation of the Distinguished Public Service Medal of the Mineralogical Society of America for 2005 to Robin Brett

Peter J. Wyllie

American Mineralogist May 01, 2006, Vol.91, 973-974. doi:10.2138/am.2006.461

Acceptance of the Distinguished Public Service Medal for 2005

Robin Brett

American Mineralogist May 01, 2006, Vol.91, 975. doi:10.2138/am.2006.462

Presentation of the Mineralogical Society of America Dana Medal for 2005 to William D. Carlson

W.G. Ernst

American Mineralogist May 01, 2006, Vol.91, 976. doi:10.2138/am.2006.458

Acceptance of the Dana Medal of the Mineralogical Society of America for 2005

William D. Carlson

American Mineralogist May 01, 2006, Vol.91, 977-978. doi:10.2138/am.2006.451

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Table of Contents

All Issues

Hourglass sector zoning in metamorphic tourmaline and resultant major and trace-element fractionation

Occurrence and late re-equilibration of pollucite from the Koktokay no. 3 pegmatite, Altai, northwestern China

Chemical bonding and electronic structures of the Al₂SiO₅ polymorphs, andalusite, sillimanite, and kyanite: X-ray photoelectron- and electron energy loss spectroscopy studies

Application of the simple salt lattice energy approximation to the solubility of minerals

Quench rate and temperature effects on framework ordering in aluminosilicate melts

The effect of sodium on the solubilities of metals in silicate melts

Nanotunnels and pull-aparts: Defects of exsolution lamellae in alkali feldspars

The structure and distribution of carbon in 3.5 Ga Apex chert: Implications for the biogenicity of Earth’s oldest putative microfossils

Site disorder revealed through Raman spectra from oriented single crystals: A case study on karooite (MgTi₂O₅)

Single-crystal diffraction and transmission electron microscopy studies of “silicified” pyrochlore from Narssârssuk, Julianehaab district, Greenland

Compressibility of synthetic potassium-rich clinopyroxene: In-situ high-pressure single-crystal X-ray study

The effect of Ca substitution on the elastic and structural behavior of orthoenstatite

Dehydroxylation, proton migration, and structural changes in heated talc: An infrared spectroscopic study

Stabilizing of methane hydrate and transition to a new high-pressure structure at 40 GPa

Upper limit of the tetrahedral rotation angle and factors affecting octahedral flattening in synthetic and natural 1M polytype C2/m space group micas

Cation order and hydrogen bonding of high-pressure phases in the Al₂O₃-SiO₂-H₂O system: An NMR and Raman study

Relationship among metamorphic grade, vesuvianite “rod polytypism,” and vesuvianite composition

Assignment of infrared OH-stretching bands in calcic amphiboles through deuteration and heat treatment

Direct determination of cation site occupancies in natural ferrite spinels by L_2,3 X-ray absorption spectroscopy and X-ray magnetic circular dichroism

Heat capacities and entropies of mixing of pyrope-grossular (Mg₃Al₂Si₃O₁₂-Ca₃Al₂Si₃O₁₂) garnet solid solutions: A low-temperature calorimetric and a thermodynamic investigation

Fe²⁺ and Fe³⁺ quantification by different approaches and f_O₂ estimation for Albanian Cr-spinels

Inversion twinning in troilite

Chivruaiite, Ca₄(Ti,Nb)₅[(Si₆O₁₇)₂[(OH,O)₅]·13–14H₂O, a new mineral from hydrothermal veins of Khibiny and Lovozero alkaline massifs

Pseudojohannite from Jáchymov, Musonoï, and La Creusaz: A new member of the zippeite-group

Scheuchzerite, Na(Mn,Mg)₉[VSi₉O₂₈(OH)](OH)₃, a new single-chain silicate

Mn-tourmaline crystals from island of Elba (Italy): Growth history and growth marks

The oxidation state of vanadium in titanomagnetite from layered basic intrusions

Observation of bicarbonate in calcite by NMR spectroscopy

Single-crystal elastic properties of dense hydrous magnesium silicate phase A

Presentation of Awards for 2005

Presentation of the Roebling Medal for 2005 of the Mineralogical Society of America to Ho-kwang Mao

Acceptance of the Mineralogical Society of America Roebling Medal for 2005

Presentation of the Mineralogical Society of America Award for 2005 to Tiziana Boffa-Ballaran

Acceptance of the Mineralogical Society of America Award for 2005

Presentation of the Distinguished Public Service Medal of the Mineralogical Society of America for 2005 to Robin Brett

Acceptance of the Distinguished Public Service Medal for 2005

Presentation of the Mineralogical Society of America Dana Medal for 2005 to William D. Carlson

Acceptance of the Dana Medal of the Mineralogical Society of America for 2005

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