American Mineralogist
REGULAR ARTICLE
277 Emplectite and the zinkenite group
288 X-ray study of pyrite or marcasite concretions in the rocks of the Cleveland, Ohio, quadrangles
295 Mercury in native silver
300 A day in a Ceylon gem field
312 Ankerite from Bethesda, Maryland
312 Crystallographic angle-tables
313 Directory of American and Canadian mineral collections
BOOK REVIEW
310 Book reviews
PROCEEDINGS
309 Proceedings of societies
TABLE OF CONTENTS
&
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.