American Mineralogist
REGULAR ARTICLE
417 Alternating deposition of pyrite, marcasite and possibly melnikovite
421 Additional data on the properties of pumpellyite, and its occurrence in the Republic of Haiti, West Indies
424 Ammoniojarosite, a new mineral of the jarosite group from Utah
440 Corrections to Volume 12
NOTES
427 Notes on the mineral localities of Rhode Island. Part II. Remaining counties
NOTES and NEWS
439 Notes and News
BOOK REVIEW
437 Book reviews
PROCEEDINGS
438 Proceedings of Societies
INDEX
441 Index to volume 12
TABLE OF CONTENTS
&
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.