![](https://msaweb.org/MSA/AmMin/wp-content/uploads/2023/05/MSA-AmMin-Logo-300x295.png)
American Mineralogist
![](https://msaweb.org/MSA/AmMin/wp-content/uploads/2023/07/MSA-Logo-300x300.png)
![](https://msaweb.org/MSA/AmMin/wp-content/uploads/2023/09/FreeAccess-300x180.png)
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
![](https://msaweb.org/MSA/AmMin/wp-content/uploads/2023/05/table-of-contents-v3-1024x683.png)
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.
![](https://msaweb.org/MSA/AmMin/wp-content/uploads/2023/05/special-collections-1024x683.png)
Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.