American Mineralogist
REGULAR ARTICLE
1 Differential thermal analysis of galena and clausthalite
12 New data on boltwoodite, an alkali uranyl silicate
26 Nomograms for determining 2θ from precession photographs
32 Isomorphous substitution and infra-red spectra of the layer lattice silicates
52 Mineralogy and petrology of the system Al2O3-SiO2-H2O in some pyrophyllite deposits of North Carolina
67 Differential thermal analysis of shattuckite
78 Lattice expansion of kaolin minerals by treatment with potassium acetate
92 “Some observations on “”iddingsite”””
112 Synthesis and origin of chalcedony
120 Fluorescent x-ray spectrographic analyses of amphibolite rocks
134 Titanomaghemite in igneous rocks
146 Vernadskite discredited: pseudomorphs of antlerite after dolerophanite
155 Helium in limestone and marble
168 New data on deweyite
189 Celesite and calciostrontianite from Wise County, Virginia
196 Phase transformations in silica as examined by continuous x-ray diffraction
209 Mineralogy of the bauxite deposits near Weipa, Queensland
218 Radiation coloration of silica minerals
226 Optical crystallography of orientite from Oriente Province, Cuba
NEW MINERAL NAMES
241 New Mineral Names
NOTES and NEWS
233 Notes and News
BOOK REVIEW
235 Book Reviews
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.