American Mineralogist
LETTER
257 An ab initio study of the compressional behavior of forsterite
261 XPS and LEED study of a single-crystal surface of pyrite
REGULAR ARTICLE
1 The dynamic nature of calcite surfaces in air
9 Lawsonite-type phase transitions in hennomartinite, SrMn2[Si2O7](OH)2·H2O
19 Dispersion relations of acoustic phonons in pyrope garnet: Relationship between vibrational properties and elastic constants
26 Fe ordering in kaolinite: Insights from 29Si and 27Al MAS NMR spectroscopy
39 The use of Monte Carlo methods to determine the distribution of Al and Si cations in framework aluminosilicates from 29Si MAS NMR data
45 High-pressure X-ray diffraction study and equation of state of MgSiO3 ilmenite
51 The equation of state of forsterite to 17.2 GPa and effects of pressure media
56 Short-range disorder of Si and Ti in the tetrahedral double-chain unit of synthetic Ti-bearing potassium-richterite
61 Structure and crystal field spectra of Co3Al2(SiO4)3 and (Mg, Ni)3Al2(SiO4)3 garnet
67 Ordering of the stacking sequence in cookeite with increasing pressure: An HRTEM study
79 Formation of regularly interstratified serpentine-chlorite minerals by tetrahedral inversion in long-period serpentine polytypes
92 Phonon-spectroscopy on alkali-feldspars: Phase transitions and solid solutions
105 The crystal structure of nanpingite-2M2, the CS end-member of muscovite
111 Coordination of Si in Na2O-SiO2-P2O5 glasses using Si K- and L-edge XANES
119 Structural relationship between pyrite and marcasite
126 Granitic melt viscosities: Empirical and configurational entropy models for their calculation
135 Roof-rock contamination of Taylor Creek rhyolite magma as recorded in hornblende phenocrysts and biotite xenocrysts
141 B and Li distribution in the Peña Negra complex: An alpha track study
146 Compositional variation and structural state of columbite-tantalite in rare element granitic pegmatites of the Preissac-Lacorne batholith, Quebec, Canada
158 Morphology and maturation of melt inclusions in quartz phenocrysts in afrom the Badlands rhyolite lava flow, southwestern Idaho
169 Scapolite cell-parameter trends along the solid solution series
181 Coesite inclusions in dolomite from eclogite in the southern Dabie mountains, China: The significance of carbonate minerals in UHPM racks
187 Characterization and use of isotopically homogeneous standards for in situ laser microprobe analysis of 34S/32S ratios
194 Electron microprobe analysis of Ca in olivines close to grain boundaries: The problem of secondary X-ray fluorescence
202 Fluid-absent melting of F-rich phlogopite + rutile + quartz
213 The origin and diagenesis of grain-coating serpentine-chlorite in Tuscaloosa Formation sandstone, U.S. Gulf Coast
226 Fluor-ferro-leakeite, NaNa2(Fe2+2Fe3+2Li)Si8O22 F2, a new alkali amphibole from the Canada Pinabete pluton, Questa, New Mexico, U.S.A.
229 Naturally occurring ferric iron sanidine from the Leucite Hills lamproite
238 The crystal structure of namuwite, a mineral with ZN in tetrahedral octahedral coordination, and its relationship to the synthetic basic zinc sulfates
244 Bechererite, (Zn,Cu)6Zn2(OH)13[(Si,S)(O,OH)4]2, a novel mineral species from the Tonopah-Belmont mine, Arizona
NEW MINERAL NAMES
249 NEW MINERAL NAMES
BOOK REVIEW
255 THERMODYNAMICS IN GEOCHEMISTRY: THE EQUILIBRIUM MODEL. By Greg M. Anderson and David A. Crerar. Oxford University Press, New York, 1993, xx+588 pages
255 CRYSTAL IDENTIFICATION WITH THE POLARIZING MICROSCOPE. By R.E. Stoiber and S.A. Morse. Chapman and Hall, New York, 1994. xiv+358 pages
DEPOSIT ITEMS
9 Lawsonite-type phase transitions in hennomartinite, SrMn2[Sr2O7](OH)2·H2O
TABLE OF CONTENTS
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SPECIAL COLLECTIONS
Table of Contents
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American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.