American Mineralogist
REGULAR ARTICLE
1 Kinetic considerations in the genesis of growth twinning
13 The crystal structure of cheralite
20 Distinction between two members of the braunite group
31 Refinement of the crystal structure of a pyroxene of formula MIMII (Si1.5Al0.5)O6
42 Unit-cell dimensions of some aluminous natural clinopyroxenes
55 Unit-cell parameters of the microcline-low albite and the sanidine-high albite solid solution series
87 The microcline-orthoclase transition within a contact aureole
117 The microcline-orthoclase transformation in the contact aureole of the Eldora Stock, Colorado
137 Far infrared (500–30 cm-1) spectra of some carbonate minerals
149 Infrared studies of the variation of H-bonded OH in synthetic α-quartz
161 The Bi2Te3-Bi2S3 system and the synthesis of the mineral tetradymite
171 The gypsum-anhydrite equilibrium at one atmosphere pressure
201 Kinetics and mechanism of dehydroxylation processes, I. Temperature and vapor pressure dependence of dehydroxylation of kaolinite
212 Clay mineral synthesis. II. A randomly- interstratified aluminian montmorillonoid
227 The system diopside-akermanite-nepheline
244 Natural terrestrial maskelynite
254 High-alumina allophane as a weathering product of plagioclase
263 Organic dyes and a strychnine-molybdate reagent as aids in isolating phosphate mineral grains
276 Growth of synthetic calcite single crystals
280 Sodium, potassium and ferrous iron contents of some secondarily hydrated natural silicic glasses
286 A procedure for the identification of small crystals by X-ray diffraction analysis
294 Differential thermal analysis of biotitic vermiculite to determine vermiculite content
NEW MINERAL NAMES
299 New Mineral Names
MINERALOGICAL NOTES
273 MINERALOGICAL NOTES: The crystal structure of heulandite (Ca,Na2)[Al2Si7O18]·6H2O
NOTES
304 Notices
BOOK REVIEW
301 Book Reviews
TABLE OF CONTENTS
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SPECIAL COLLECTIONS
Table of Contents
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Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.