American Mineralogist
REGULAR ARTICLE
1 The crystal structure of perrierite
15 The effect of ion substitution on the unit cell dimensions of the common clinopyroxenes
39 Weeksite, a new uranium silicate from the Thomas Range, Juab County, Utah
53 Blue asbestos from Lusaka, Northern Rhodesia, and its bearing on the genesis and classification of this type of asbestos
60 X-ray diffraction study of orientation in the Chattanooga shale
69 Chemical analyses of rocks with the petrographic microscope
79 Paulingite, a new zeolite, in association with erionite and filiform pyrite
92 Doverite, a possible new yttrium fluocarbonate from Dover, Morris County, New Jersey
99 Autunite from Mount Spokane, Washington
129 Metamorphism of lower Paleozoic rocks in the vicinity of the Taconic Range in west central Vermont
176 Studies of manganese oxide minerals III. Psilomelane
188 Reedmergnerite, NaBSi3O8, the boron analogue of albite, from the Green River Formation, Utah
200 X-ray study of alteration in the uranium mineral wyartite
209 Crystal chemistry of dahllite
221 Identity of calcium rinkite and götzenite
224 Plastic universal stage for student use
228 Vermicular gibbsite in the Pensauken of New Jersey
229 Low temperature phase transformation of colemanite
230 X-ray crystallography and crystal chemistry of gowerite, CaO·3B2O3·5H2O
235 Todorokite and pyrolusite from Vermlands Taberg, Sweden
239 An X ray fluorescence method for the quantitative determination of small amounts of montmorillonite in kaolin clays
241 The cell constants of artificial siderite
NEW MINERAL NAMES
252 New Mineral Names; New data; Redefinition of mineral
NOTES and NEWS
217 Notes and News: Very high pressure-high temperature research apparatus and the synthesis of diamond
BOOK REVIEW
246 Book Reviews
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.