American Mineralogist
Open AccessLETTER
239
Novel phase transition in orthoenstatite
Jennifer M. Jackson, Stanislav V. Sinogeikin, Michael A. Carpenter, and Jay D. Bass
245
In situ observation of the thermal decomposition of weddelite by heating stage environmental scanning electron microscopy
J. Theo Kloprogge, Thor E. Bostr??m, and Matt L. Weier
REGULAR ARTICLE
1
Indialite in xenolithic rocks from Somma-Vesuvius volcano (Southern Italy): Crystal chemistry and petrogenetic features
Giuseppina Balassone, Enrico Franco, Carlo Andrea Mattia, and Raffaella Puliti
7
Coexisting chromian omphacite and diopside in tremolite schist from the Chugoku Mountains, SW Japan: The effect of Cr on the omphacite-diopside immiscibility gap
Tatsuki Tsujimori and Juhn G. Liou
15
2111 biopyribole intermediate between pyroxene and amphibole: Artifact or natural product?
Hiromi Konishi, Reijo Alviola, and Peter R. Buseck
20
Coexisting clinopyroxene/spinel and amphibole/spinel symplectites in metatroctolites from the Buck Creek ultramafic body, North Carolina Blue Ridge
Helen M. Lang, Aletha J. Wachter, Virginia L. Peterson, and Jeffrey G. Ryan
31
The T-X dependence of the isosymmetric displacive phase transition in synthetic Fe3+-Al zoisite: A temperature-dependent infrared spectroscopy study
Axel Liebscher and Matthias Gottschalk
39
A kinetic study of the exsolution of pentlandite (Ni,Fe)9S8 from the monosulfide solid solution (Fe,Ni)S
Barbara Etschmann, Allan Pring, Andrew Putnis, Benjamin A. Grguric, and Andrew Studer
51
Single-crystal plagioclase feldspar dissolution rates measured by vertical scanning interferometry
Rolf S. Arvidson, Mikala S. Beig, and Andreas Luttge
57
A simple empirical method for high-quality electron microprobe analysis of fluorine at trace levels in Fe-bearing minerals and glasses
Jeffrey B. Witter and Scott M. Kuehner
64
Constraints on mingling of crystal populations from off-center zoning profiles: A statistical approach
Glen S. Wallace and George W. Bergantz
74
Pyribole evolution during tremolite synthesis from oxides
Krassimir N. Bozhilov, David M. Jenkins, and David R. Veblen
85
Solution calorimetric determination of the enthalpies of formation of NH4-bearing minerals buddingtonite and tobelite
Guy L. Hovis, Daniel Harlov, and Matthias Gottschalk
94
Dehydration dynamics of bikitaite: Part I. In situ synchrotron powder X-ray diffraction study
Orazio Ferro, Simona Quartieri, Giovanna Vezzalini, Chiara Ceriani, Ettore Fois, Aldo Gamba, and Giuseppe Cruciani
102
Dehydration dynamics of bikitaite: Part II. Ab initio molecular dynamics study
Chiara Ceriani, Ettore Fois, Aldo Gamba, Gloria Tabacchi, Orazio Ferro, Simona Quartieri, and Giovanna Vezzalini
110
Phosphate mineral associations in the Cañada pegmatite (Salamanca, Spain): Paragenetic relationships, chemical compositions, and implications for pegmatite evolution
Encarnación Roda, Alfonso Pesquera, François Fontan, and Paul Keller
126
An improved equation for crystal size distribution in second-phase influenced aggregates
Alfons Berger
132
Vibrational spectroscopy of pyrope-majorite garnets: Structural implications
A.M. Hofmeister, P.A. Giesting, B. Wopenka, G.D. Gwanmesia, and B.L. Jolliff
147
The modulated crystal structure of antigorite: The m = 17 polysome
Giancarlo Capitani and Marcello Mellini
159
Structural variations in mercurian tetrahedrite
Franklin F. Foit Jr. and John M. Hughes
164
A computational investigation of the Al/Fe/Mg order-disorder behavior in the dioctahedral sheet of phyllosilicates
Erika J. Palin, Martin T. Dove, Alfonso Hernández-Laguna, and C. Ignacio Sainz-DÃaz
176
Investigation of Al/Si ordering in tetrahedral phyllosilicate sheets by Monte Carlo simulation
Erika J. Palin and Martin T. Dove
185
Equations of state of ZrSiO4 phases in the upper mantle
Shigeaki Ono, Yoshinori Tange, Ikuo Katayama, and Takumi Kikegawa
189
High-pressure behavior, transformation and crystal structure of synthetic iron-free pigeonite
Fabrizio Nestola, Mario Tribaudino, and Tiziana Boffa Ballaran
197
In situ determination of the compressibility of synthetic pure zircon (ZrSiO4) and the onset of the zircon-reidite phase transition
Wim van Westrenen, Mark R. Frank, John M. Hanchar, Yingwei Fei, Robert J. Finch, and Chang-Sheng Zha
204
Halite-sylvite thermoelasticity
David Walker, Pramod K. Verma, Lachlan M.D. Cranswick, Raymond L. Jones, Simon M. Clark, and Stephan Buhre
211
Spiral growth of grossular under hydrothermal conditions
Ralf Milke
219
Incomplete retention of radiation damage in zircon from Sri Lanka
Lutz Nasdala, Peter W. Reiners, John I. Garver, Allen K. Kennedy, Richard A. Stern, Etienne Balan, and Richard Wirth
232
Shirozulite, KMn2+3(Si3Al)O10(OH)2, a new manganese-dominant trioctahedral mica: Description and crystal structure
Kiyotaka Ishida, Frank C. Hawthorne, and Fumitoshi Hirowatari
NEW MINERAL NAMES
249
NEW MINERAL NAMES
John L. Jambor, and Andrew C. Roberts
BOOK REVIEW
254
BOOK REVIEW: APPLICATIONS OF SYNCHROTRON RADIATION IN LOW-TEMPERATURE GEOCHEMISTRY AND ENVIRONMENTAL SCIENCE. P.A. Fenter, M.L. Rivers, N. C. Sturchio, and S.R. Sutton, Eds., Reviews in Mineralogy & Geochemistry, 2002, vol. 49, 579 p. Mineralogical Society of America, Washington, D.C.
Martine C. Duff
ERRATA
248
ERRATUM: The distribution of zeolites and their effects on the performance of a nuclear waste repository at Yucca Mountain, Nevada, U.S.A. by D.L. Bish, D.T. Vaniman, S.J. Chipera, and J.W. Carey (November-December 2003, vol. 88, no. 11-12, Part 2, 1889-1902).
DEPOSIT ITEMS
39
A kinetic study of the exsolution of pentlandite (Ni,Fe)9S8 from the monosulfide solid solution (Fe,Ni)S
Barbara Etschmann, Allan Pring, Andrew Putnis, Benjamin A. Grguric, and Andrew Studer
Item#: AM-04-050
Table 5a. Summary of phase proportions for pentlandite and mss/pyrrhotite for cooling experiments from 973 K to 373 K with time
AM-04-050.zip zipped
Table 5a. Summary of phase proportions for pentlandite and mss/pyrrhotite for cooling experiments from 973 K to 373 K with time
AM-04-050.zip zipped
147
The modulated crystal structure of antigorite: The m = 17 polysome
Giancarlo Capitani and Marcello Mellini
159
Structural variations in mercurian tetrahedrite
Franklin F. Foit Jr. and John M. Hughes
Item#: AM-04-051
Table5a. Observed and calculated structure factors for Sample A2, Table5b. Observed and calculated structure factors for Sample E3, Table5c. Observed and calculated structure factors for Sample C2 and Table5c. Observed and calculated structure factors for
AM-04-051.zip zipped
Table5a. Observed and calculated structure factors for Sample A2, Table5b. Observed and calculated structure factors for Sample E3, Table5c. Observed and calculated structure factors for Sample C2 and Table5c. Observed and calculated structure factors for
AM-04-051.zip zipped
TABLE OF CONTENTS
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SPECIAL COLLECTIONS
Table of Contents
AmMin submission to acceptance/”first publication” is at a record average of about three to four months. Our acceptance to “final” publication is presently another 13 months on average.
Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.