American Mineralogist
REGULAR ARTICLE
237 Optical properties and crystallography of zoned pumpellyite from Witwatersrand
247 Morphology of mechanical twinning in crystals
262 Paragenesis of the pegmatite minerals of Striegau, Silesia
276 Progressive metasomatism of serpentine in the Sierra Nevada of California
288 X-ray crystallography of shortite
290 Occurrence of a coarsely crystalline kaolin mineral in some South African fire-clays
NEW MINERAL NAMES and DISCREDITED MINERALS
293 New mineral names; New data; Discredited species
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.