American Mineralogist
LETTER
1021 LETTER A crystallographic model for hydrous wadsleyite (β-Mg2SiO4): An ocean in the Earth’s interior?
REGULAR ARTICLE
801 ARTICLES Movement of channel H2O in cordierite observed with quasi-elastic neutron scattering
809 Mechanism of CO2-3 substitution in carbonate-fluorapatite: Evidence from FTIR spectroscopy, 13C NMR, and quantum mechanical calculations
819 Coordination environments of B impurities in calcite and aragonite polymorphs: A 11B MAS NMR study
826 Temperature-dependent electron delocalization in (Mg,Fe)SiO3 perovskite
838 Structural environment of Zr in two inosilicates from Cameroon: Mineralogical and geochemical implications
848 The structural role of Mg in silicate liquids: A high-temperature 25Mg, 23Na, and 29Si NMR study
862 Composition and temperature dependence of Fe-Mg ordering in cummingtonite-grunerite as determined by X-ray diffraction
878 Thermal expansion of scapolite
885 A nonlinear dynamical model of oscillatory zoning in plagioclase
892 Differential incorporation of trace elements and dissymmetrization in apatite: The role of surface structure during growth
904 Enhanced H and F incorporation in borian olivine
909 TEM-AEM observations of Cl-rich amphibole and biotite and possible petrologic implications
921 Enthalpy of formation of siderite and its application in phase equilibrium calculation
930 Fe2+-Mg interdiffusion in orthopyroxene: Retrieval from the data on intracrystalline exchange reaction
938 Are reversed Fe-Mg exchange and solid solution experiments really reversed?
951 O-isotope variations in a porphyroclastic meta-anorthosite: Diffusion effects and false isotherms
960 Forward modeling of calc-silicate microinclusions and fluid evolution in a graphitic metapelite, northeast Sardinia
973 Exploratory data analysis in thermobarometry: An example from the Kisseynew sedimentary gneiss belt, Manitoba, Canada
983 Crystal structure of Al-rich mullite
991 Johninnesite: Crystal-structure determination and its relationship to other arsenosilicates
996 Fetiasite (Fe2+,Fe3+,Ti)3O2[As2O5], a new arsenite mineral: Its description and structure determination
1003 Mineralogical studies of the nitrate deposits of Chile: VII. Two new saline minerals with the composition K6(Na,K)4Na6Mg10(XO4)12(IO3)12·12H2O: Fuenzalidaite (X = S) and carlosruizite (X = Se)
NEW MINERAL NAMES
1009 NEW MINERAL NAMES
MEMORIAL
1015 MEMORIALS Memorial of Jean Wyart, 1902-1992
1017 Memorial of Benjamin M. Shaub, 1893-1993
1019 Memorial of Fred Earl Ingerson, 1906-1993
TABLE OF CONTENTS
&
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.