American Mineralogist
LETTER
1 LETTER An appraisal of the stability of phlogopite in the crust and in the mantle
REGULAR ARTICLE
5 ARTICLES Dependence of entropy on volume for silicate and oxide minerals: A review and predictive model
14 Extension of Wohl’s ternary asymmetric solution model to four and n components
18 Thermodynamic analysis of pyroxene-olivine-quartz equilibria in the system CaO-MgO-FeO-SiO2
31 Effects of pressure on partitioning of trace elements between low-Ca pyroxene and melt
37 Interpretation of the solution properties of Fe Mg olivines and aqueous Fe-Mg chlorides from ion-exchange experiments
50 Natural versus experimental control of oxidation state: Effects on the composition and speciation of C-O-H fluids
58 Redox equilibria, structure, and properties of Fe-bearing aluminosilicate melts: Relationships among temperature, composition, and oxygen fugacity in the system Na2O-Al2O3-SiO2-Fe-O
77 Empirical calibration of geobarometers for the assemblage garnet + hornblende + plagioclase + quartz
85 Pyrometamorphic rocks associated with naturally burned coal beds, Powder River Basin, Wyoming
101 Mineralogy of a layered gabbro deformed during magmatic crystallization, western Sierra Nevada foothills, California
113 Alkaline igneous rocks of Magnet Cove, Arkansas: Metasomatized ijolite xenoliths from Diamond Jo quarry
132 Major-cation substitution in phlogopite and evolution of carbonatite in the Potash Sulphur Springs complex, Garland County, Arkansas
141 Treatment of the hydroxyl in structure-energy calculations
151 Phase transitions in the grandite garnets
160 Order-disorder transition-induced twin domains and magnetic properties in ilmenite-hematite
177 Thermal behavior of complex, tunnel-structure manganese oxides
187 Examination of the siderite-magnesite mineral series by Fourier transform infrared spectroscopy
191 Fluorescence spectra of Eu3+ in synthetic polycrystalline anorthite: Distribution of Eu3+ in the structure
200 Compositional characteristics of kinoshitalite from the Sausar Group, India
203 Characterization of clay minerals by 27Al nuclear magnetic resonance spectroscopy
216 Primary igneous analcime: The Colima minettes
224 A hydrated potassium layer silicate and its crystalline silicic acid
230 A boron-bearing potassium feldspar in volcanic ash and tuffaceous rocks from Miocene lake deposits, Samos Island, Greece
236 Liquidus phase relations on the quasi-binary join Cu2S-Sb2S3: Implications for the formation of tetrahedrite and skinnerite
243 Standard molar enthalpies of formation of sulfosalts in the Ag-As-S system and thermochemistry of the sulfosalts of Ag with As, Sb, and Bi
250 Structural disorder in aikinite and krupkaite
256 Akrochordite, (Mn,Mg)5(OH)4(H2O)4(AsO4)2: A sheet structure with amphibole walls
263 Compositional and crystallographic data on REE-bearing coffinite from the Grants uranium region, northwestern New Mexico
271 A particulate-sample mounting technique for the laser Raman microprobe
273 PEARCE PLOT: Interactive graphics-supported software for testing petrologic hypotheses with Pearce element-ratio diagrams
277 TRIPLOT and ACF: General-purpose and metamorphic ACF-AKF-AFM triangular plotting programs for mainframes and microcomputers
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.