American Mineralogist
REGULAR ARTICLE
711 Uraninite and thucholite from Pied des Monts, Charlevoix County, Quebec
719 Clinobarrandite and the isodimorphous series, variscite-metavariscite
726 “Studies of mineral sulpho-salts. IV-Galenobismutiteand, “”lillianite”””
735 A device for measuring the extinction angle
738 Classification of minerals of the type A3(XO4)2·nH2O
754 Crystallography of ulexite
763 Equipment for the double variation method of refractive index determination: I. An improved stage cell, II. Variable temperature control apparatus
BOOK REVIEW and NEW MINERAL NAMES
767 Book reviews; New mineral names
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.