American Mineralogist
REGULAR ARTICLE
1 The lazulite-scorzalite isomorphous series
19 Age of uraninite from a pegmatite near Singar, Gaya District, India; with an isotopic analysis of lead
29 Three new polymorphs of zinc sulfide
43 Occurrence of polymorphous wurtzite in western Pennsylvania and eastern Ohio
51 On the nature of the opal-like outer layer of coated diamonds
59 Arrojadite, hühnerkobelite, and graftonite
77 Thermal study of potash-soda feldspars
90 Composition of veatchite
93 Wherryite, a new mineral from Mammoth Mine, Arizona
99 The crystal structure of cryptomelane
102 Phosphate-allophane in an epidosite from North Carolina
108 The differential thermal analysis of certain phosphates
117 “The nature of “”arizonite”””
119 The unit cell of malachite
121 Announcement of new award of the Mineralogical Society of America
NEW MINERAL NAMES
135 New mineral names
NOTES and NEWS
116 Notes and news: Thermal decomposition of zinc sulfide polymorphs
BOOK REVIEW
133 Book reviews
PROCEEDINGS
122 Proceedings of Societies: The Crystallographic Society of America
TABLE OF CONTENTS
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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.