American Mineralogist
Open AccessLETTER
1257
Natural occurrence of Fe2SiO4 -spinel in the shocked Umbarger L6 chondrite
Zhidong Xie, Naotaka Tomioka, and Thomas G. Sharp
1261
Structural refinements of magnesite at very high pressure
Guillaume Fiquet, François Guyot, Martin Kunz, Jan Matas, Denis Andrault, and Michael Hanfland
REGULAR ARTICLE
1029
Evidence for magmatic vapor deposition of anhydrite prior to the 1991 climactic eruption of Mount Pinatubo, Philippines
Ryan T. Jakubowski, John Fournelle, Sue Welch, R. J. Swope, and Patrick Camus
1046
Experimental and modeled solubilities of chlorine in aluminosilicate melts, consequences of magma evolution, and implications for exsolution of hydrous chloride melt at Mt. Somma-Vesuvius
James D. Webster and Benedetto De Vivo
1062
Temperature-induced Al-zoning in hornblendes of the Fish Canyon magma, Colorado
Olivier Bachmann and Michael A. Dungan
1077
Analytical techniques for volatiles: A case study using intermediate (andesitic) glasses
P.L. King, T.W. Vennemann, J.R. Holloway, R.L. Hervig, J.B. Lowenstern, and J.F. Forneris
1090
Anomalous optical properties of fibrous tremolite, actinolite, and ferro-actinolite
Jennifer R. Verkouteren and Ann G. Wylie
1096
Protoanthophyllite from three metamorphosed serpentinites
Hiromi Konishi, István Dódony, and Peter R. Buseck
1104
Synthesis of beryllian sapphirine in the system MgO-BeO-Al2O3-SiO2-H2O and comparison with naturally occurring beryllian sapphirine and khmaralite. Part 1: Experiments, TEM, and XRD
A.G. Christy, Y. Tabira, A. H??lscher, E.S. Grew, and W. Schreyer
1113
Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto)-hercynite series by single-crystal X-ray diffraction
Giovanni B. Andreozzi and Sergio Lucchesi
1121
Structural relationships in (Mn1-xZnx)Mn2O4 (0 ≤ x ≤ 0.26): The “dragging effect” of the tetrahedron on the octahedron
Ferdinando Bosi, Sergio Lucchesi, and Antonio Della Giusta
1128
The grid-work texture of authigenic microcrystalline quartz in siliceous crust-type (SCT) mineralized horizons
Gianfranco Camana, Daniel Chateigner, Michele Zucali, and Gilberto Artioli
1139
The crystal structure of vicanite-(Ce), a borosilicate showing an unusual (Si3B3O18)15- polyanion
Paolo Ballirano, Athos Callegari, Franca Caucia, Adriana Maras, Fiorenzo Mazzi, and Luciano Ungaretti
1144
Submicrometer optical characterization of the grain boundary of optically active Cr3+ doped polycrystalline Al2O3 by near-field spectroscopy
Yoshihito Narita and Hiroshi Murotani
1148
High-temperature, high-pressure optical spectroscopic study of ferric-iron-bearing tourmaline
Michael N. Taran and George R. Rossman
1154
Infrared and Mössbauer study of Brazilian tourmalines from different geological environments
Ester Figueiredo De Oliveira, Cristiane Castañeda, Sigrid Griet Eeckhout, Messias Menezes Gilmar, Rogério Ribeiro Kwitko, Eddy De Grave, and Nilson Francisquini Botelho
1164
Isothermal compression of staurolite: A single-crystal study
Paola Comodi, Michela Montagnoli, Pier Francesco Zanazzi, and Tiziana Boffa Ballaran
1172
Equation of state measurements of chlorite, pyrophyllite, and talc
A.R. Pawley, S.M. Clark, and N.J. Chinnery
1183
Structure change of Ca1-xSrxTiO3 perovskite with composition and pressure
Takamitsu Yamanaka, Noriyuki Hirai, and Yutaka Komatsu
1190
Mechanism of 2/1- to 3/2-mullite transformation at 1650 °C
Martin Schmücker, Bernd Hildmann, and Hartmut Schneider
1194
High-pressure deformation mechanism in scolecite: A combined computational-experimental study
Pietro Ballone, Simona Quartieri, Alessandra Sani, and Giovanna Vezzalini
1207
Far infrared spectra of K+ in dioctahedral and trioctahedral mixed-layer minerals
Magali Diaz, Valérie Laperche, James Harsh, and René Prost
1215
Ab initio quantum mechanical modeling of infrared vibrational frequencies of the OH group in dioctahedral phyllosilicates. Part I: Methods, results and comparison to experimental data
Sara Mart??nez-Alonso, James R. Rustad, and Alexander F.H. Goetz
1224
Ab initio quantum mechanical modeling of infrared vibrational frequencies of the OH group in dioctahedral phyllosilicates. Part II: Main physical factors governing the OH vibrations
Sara Mart??nez-Alonso, James R. Rustad, and Alexander F.H. Goetz
1235
On geological interpretations of crystal size distributions: Constant vs. proportionate growth
D.D. Eberl, Daniel E. Kile, and V.A. Drits
1242
Comments on: Higgins: “Closure in crystal size distributions (CSD), verification of CSD calculations, and the significance of CSD fans”
Yucheng Pan
1244
Reply to comment on “Closure in crystal size distributions (CSD), verification of CSD calculations and the significance of CSD fans”
Michael D. Higgins
1245
Allabogdanite, (Fe,Ni)2P, a new mineral from the Onello meteorite: The occurrence and crystal structure
Sergey N. Britvin, Nikolay S. Rudashevsky, Sergey V. Krivovichev, Peter C. Burns, and Yury S. Polekhovsky
1250
Cristobalite inclusions in the Tatahouine achondrite: Implications for shock conditions
Karim Benzerara, François Guyot, Jean Alix Barrat, Philippe Gillet, and Maurice Lesourd
1266
New minerals approved in 2001 by the Commission on New Minerals and Mineral Names International Mineralogical Association
Joel D. Grice and Giovanni Ferraris
BOOK REVIEW
1272
BOOK REVIEW: ROCK-FORMING MINERALS VOL. 4A: FRAMEWORK SILICATES: FELDSPARS. W.A. Deer, R.A. Howie, and J. Zussman. London: The Geological Society, 2001, 972pp.
S. A. Morse
DEPOSIT ITEMS
1062
Temperature-induced Al-zoning in hornblendes of the Fish Canyon magma, Colorado
Olivier Bachmann and Michael A. Dungan
Item#: AM-02-014
APPENDIX FIGURE 1. All microprobe profiles in hornblendes from all the different stratigraphic units of the Fish Canyonmagmatic system (see Fig. 2 for a subset of six profiles). APPENDIX FIGURE 2. Frequency distribution diagram of pressure calculated for
AM-02-014.zip zipped
APPENDIX FIGURE 1. All microprobe profiles in hornblendes from all the different stratigraphic units of the Fish Canyonmagmatic system (see Fig. 2 for a subset of six profiles). APPENDIX FIGURE 2. Frequency distribution diagram of pressure calculated for
AM-02-014.zip zipped
1139
The crystal structure of vicanite-(Ce), a borosilicate showing an unusual (Si3B3O18)15- polyanion
Paolo Ballirano, Athos Callegari, Franca Caucia, Adriana Maras, Fiorenzo Mazzi, and Luciano Ungaretti
1164
Isothermal compression of staurolite: A single-crystal study
Paola Comodi, Michela Montagnoli, Pier Francesco Zanazzi, and Tiziana Boffa Ballaran
Item#: AM-02-013
“Table 4a. Observed and calculated structure factors for staurolite (Sp. Gr. C2/m) in air. Table 4b. Observed and calculated structure factors for staurolite (Sp. Gr. Ccmm).
Table 4c. Observed and calculated structure factors for staurolite (Sp. Gr. Ccmm
AM-02-013.zip zipped
“Table 4a. Observed and calculated structure factors for staurolite (Sp. Gr. C2/m) in air. Table 4b. Observed and calculated structure factors for staurolite (Sp. Gr. Ccmm).
Table 4c. Observed and calculated structure factors for staurolite (Sp. Gr. Ccmm
AM-02-013.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.