American Mineralogist
REGULAR ARTICLE
1 Sanjuanite, a new hydrated basic sulfate-phosphate of aluminum
9 The crystal structure of walstromite
14 The crystal structure of a hexagonal Al-serpentine
25 The crystal structure of an adularia and a refinement of the structure of orthoclase
38 X-ray and optical study of alkali feldspar: I. Determination of composition and structural state from refined unit-cell parameters and 2V
88 X-ray and optical study of alkali feldspar: II. An X-ray method for determining the composition and structural state from measurement of 2θ values for three reflections
105 Revised dispersion method for low plagioclase
116 Composition and structural state of plagioclases from the lower part of the Eastern Bushveld Complex, South Africa
123 Thermodynamics of the disordering process in albite
134 Studies in the system BaO-Al2O3-SiO2: I. The polymorphism of celsian
145 Phase relations and mineral assemblages in the copper-lead-sulfur system
162 Altered chrome ores from the Coolac Serpentine Belt, New South Wales, Australia
184 Analcime composition in tuffs of the Green River Formation of Wyoming
201 “Chemical differences among the serpentine “”polymorphs”””
216 Kaolinite crystallization from H-exchanged zeolites
231 Synthesis of some lead calcium zinc silicates
241 Petrogenesis of ultrabasic and basic inclusions in alkali basalts, Iki Island, Japan
257 The stability of olivine and pyroxene in the Ni-Mg-Si-O system
269 Optic angle determined conoscopically on the spindle stage: I. Micrometer ocular method
278 Optic angle determined conoscopically on the spindle stage: II. Selected rotation method
283 The direct and rapid determination of alumina and silica in silicate rocks and minerals by atomic absorption spectroscopy
293 The cobaltiferous pyrite series
295 Transformation of aragonite to calcite under hydrothermal conditions
300 On the cause of asterism in star corundum
305 The infrared spectrum of dawsonite
309 Relations of the manganese-calcium silicates, gageite and harstigite
316 Synthesis of the berzeliite (Ca2NaMg2As3O22) – manganese berzeliite (CaNaMn2As3O12) series (arsenate garnet)
319 An electron microscopic study of soil allophane with an ordered structure
323 A study of grain contacts in some high-grade metamorphic rocks
327 Staining for cordierite and feldspars in thin section
331 On the staining of anorthoclase
334 Hydrazine intercalation-intersalation for differentiation of kaolin minerals from chlorites
339 High pressure epoxy impregnation of porous materials for thin-section and microprobe analysis
342 Kinetic considerations in the genesis of growth twinning: A discussion
344 Kinetic considerations in the genesis of growth twinning: A reply
346 Unit-cell parameters of the microcline-low albite and the sanidine-high albite solid solution series: A correction
347 Near infrared spectrum of beryl: A correction
NEW MINERAL NAMES
348 New Mineral Names
MINERALOGICAL NOTES
290 MINERALOGICAL NOTES: The crystal structure of disordered gersdorffite
NOTES
356 Notices
BOOK REVIEW
352 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.