American Mineralogist
REGULAR ARTICLE
529 Random structures of layer minerals as illustrated by cronstedite (2FeO – Fe2O3 – SiO2 – 2H2O). Possible iron content of kaolin
540 Association of harmotome and barium feldspar at Glen Riddle, Pennsylvania
561 Selective staining to facilitate Rosiwal analysis
566 Formula and structure of ralstonite
577 New method for the determination of feldspar twins
590 Alteration of glasses to montmorillonite
598 Santa Luzia de Goyaz meteorite
602 Mounting and remounting detrital mineral grains on slides
PROCEEDINGS
605 Nominations for officers of the Mineralogical Society of America for 1940
605 Proceedings of societies
TABLE OF CONTENTS
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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.