American Mineralogist
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
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.