American Mineralogist
REGULAR ARTICLE
407 Perthite from Tory Hill, Ontario
428 Ammonium mica synthesized from vermiculite
434 A torsion microbalance for the determination of specific gravities of minerals
441 Caledonite
446 Rhyodacite from the Tranquille Plateau, British Columbia
448 Rotation factor for equi-inclination Weissenberg photographs
452 Chlorite veins in serpentine near Kings River, California
457 Darkening of cinnabar in sunlight
BOOK REVIEW
461 Book review
PROCEEDINGS
462 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.