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Volume 79, Number 1-2
1 February 1994
American Mineralogist Cover Image for Volume 79, Issue 1-2
ISSN: 0003-004X
EISSN: 1945-3027
In this Issue

Articles

Pressure-induced phase transition in cristobalite: An X-ray powder diffraction study to 4.4 GPa
David C. Palmer; Larry W. Finger
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The pressure behavior of α cristobalite
R. T. Downs; D. C. Palmer
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High-pressure X-ray diffraction study of carbonates: MgCo3, CaMg(CO3)2, and CaCO3
Guillaume Fiquet; Francois Guyot; Jean-Paul Itie
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Ferroelastic phase transition along the join CaAl2Si2O8-SrAl2Si2O8
Martin D. McGuinn; Simon A. T. Redfern
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Correlations between 17O NMR parameters and local structure around oxygen in high-pressure silicates: Implications for the structure of silicate melts at high pressure
Xianyu Xue; Jonathan F. Stebbins; Masami Kanzaki
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Thermal reactions of chrysotile revisited: A 29Si and 25Mg MAS NMR study
K. J. D. MacKenzie; R. H. Meinhold
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Determination of accurate [4]Fe3+, [6]Fe3+, and [6]Fe2+ site populations in synthetic annite by Mössbauer spectroscopy
D. G. Rancourt; I. A. D. Christie; M. Royer; H. Kodama; J. L. Robert; A. E. Lalonde; E. Murad
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Crystal chemistry and microstructures of plutonic biotite
Simona Bigi; Maria Franca Brigatti
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Twinning in meteoritic and synthetic perovskite
Lindsay P. Keller; Peter R. Buseck
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In-situ study of the thermal behavior of cryptomelane by high-voltage and analytical electron microscopy
Paulo Marcos Vasconcelos; Hans-Rudolf Wenk; Chuck Echer
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Structure and polytypism of bementite, a modulated layer silicate
Angela R. Heinrich; Richard A. Eggleton; Stephen Guggenheim
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Structural relaxation of the chlorite surface imaged by the atomic force microscope
Gordon A. Vrdoljak; Grant S. Henderson; J. Jeffrey Fawcett; Frederick J. Wicks
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Numerical modeling of crystal shapes in thin sections: Estimation of crystal habit and true size
Michael D. Higgins
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Optimal geothermometry and geobarometry
Roger Powell; Tim Holland
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Enthalpy of formation of wollastonite (CaSiO3) and anorthite (CaAl2Si2O8) by experimental phase equilibrium measurements and high-temperature solution colorimetry
Hui Zhu; R. C. Newton; O. J. Kleppa
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A high-temperature assembly for 1.91-cm (¾-in.) piston-cylinder apparatus
Pierre Hudon; Don R. Baker; Paul B. Toft
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An experimental simulation of upper mantle metasomatism
Nicholas W. A. Odling
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Nearly pure iron staurolite in the Llano Uplift and its petrologic significance
William D. Carlson; Joseph F. Reese
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S speciation in submarine basaltic glasses as determined by measurements of SKα X-ray wavelength shifts
Paul J. Wallace; Ian S. E. Carmichael
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Hollandite-type phases: Geometric consideration of unit-cell size and symmetry
Jinmin Zhang; Charles W. Burnham
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Maricopaite, an unusual lead calcium zeolite with an interrupted mordenite-like framework and intrachannel Pb4 tetrahedral clusters
Roland C. Rouse; Donald R. Peacor
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Memorial of Charles Milton April 25, 1896–October 4, 1990
Harvey E. Belkin; Edward J. Dwornik
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Pressure-induced H bonding: Neutron diffraction study of brucite, Mg(OD)2, to 9.3 GPa
John B. Parise; Kurt Leinenweber; Donald J. Weidnner; Kemin Tan; Robert B. Von Dreele
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An unquenchable perovskite phase of MgGeO3 and comparison with MgSiO3 perovskite
Kurt Leinenweber; Yanbin Wang; Takehiko Yagi; Hitoshi Yusa
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Orientation, location, and total energy of hydration of channel H2O in cordierite investigated by ab-initio total energy calculations
Bjoern Winkler; Victor Milman; Michael C. Payne
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New Mineral Names

New Mineral Names
John L. Jambor; Edward S. Grew
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All Issues
  • Online ISSN 1945-3027
  • ISSN 0003-004X
  • Copyright © 2025 Mineralogical Society of America
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