American Mineralogist
REGULAR ARTICLE
819 Chlorite polytypism; I; Regular and semi random one layer structures
851 Relationships between mineral association, chemical composition and physical properties of the chlorite series
871 Devitrification dikes and giant spherulites from Klondyke, Arizona
886 Crystal structure of a trioctahedral mica: phlogopite
897 The solubility of cristobalite along the three-phase curve, gas plus liquid plus cristobalite
903 The spindle stage: a modification utilizing a hypodermic syringe
907 Cordierite-garnet gneiss and associated microcline-rich pegmatite at Sturbridge, Massachusetts and Union, Connecticut
919 Bakerite crystals
924 Pegmatites at Ryrs, Sweden-examples of fluorite exomorphism
932 The dehydration of hemimorphite
945 Petrographic characteristics of young sea ice, Point Barrow, Alaska
968 Soda-rich sanidine of pyroclastic origin from the John Day formation of Oregon
971 Age of authigenic biotite in the Utica Shale
974 The preparation of small powder samples from thin and polished sections
977 Hydrothermal wurtzite at Thomaston Dam, Connecticut
979 The determination of dioctabedral mica. and potassium feldspar in submicroscopic grain sizes
982 Bromyrite near Eagle, Colorado
985 Herschelite–a valid species?
987 Baotite (Pao -T’ou-K’uang) from Ravalli County, Montana
993 An x-ray spectrographic method for measuring base exchange capacity
996 Occurrence of stevensite in the Green River formation of Wyoming
998 Removal of reaction products from muscovite treated with molten lithium nitrate
1000 Unusual crystal groups from Greene County, Missouri
1003 Publications Received
MINERALOGICAL NOTES
962 Mineralogical Notes: A new heating stage for the x-ray diffraction
NOTES
1004 Notices
BOOK REVIEW
1002 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.