American Mineralogist
REGULAR ARTICLE
815 Monticellite from San Bernardino County, California, and the monticellite series
828 Schiller structure
838 A tabulation of crystal forms and discussion of form-names
852 Vectorial chemical alteration of crystals
863 The morphology of phenacite from two new occurrences
875 Replacement in filled fissure veins
880 Crystal cavities in lavas from the Hawaiian Islands
882 The occurrence of sphalerite at Ellsworth, Ohio
BOOK REVIEW
883 Book review
PROCEEDINGS
884 Mineralogical Society of America, sixteenth annual meeting, New York, New York December 26-28, 1934
INDEX
887 Index to volume 20
TABLE OF CONTENTS
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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.