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American Mineralogist
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REGULAR ARTICLE
143 A new occurrence of ptilolite
144 Diasporite in Missouri
145 Gel minerals (colloid minerals)
147 History of the Philadelphia Mineralogical Society
PROCEEDINGS
147 Proceedings of societies
INDEX
149 Index to Volume 2
TABLE OF CONTENTS
&
SPECIAL COLLECTIONS
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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.
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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.