American Mineralogist
REGULAR ARTICLE
621 Chemical composition and optical properties of common clinopyroxenes, Part I
667 Visual arc spectroscopic detection of halogens, rare earths and other elements by use of molecular spectra
675 The nature of lattice expansion and its relation to hydration in montmorillonite and vermiculite
685 Scorzalite from South Dakota: A new occurrence
688 An inexpensive petrographic microscope
692 Wolfeite, xanthoxenite and whitlockite from the Palermo Mine, New Hampshire
706 Charting five and six variables on the bounding tetrahedra of a hypertetrahedra
717 X-ray data on synthetic melilites
723 The variable inversion temperature of quartz as a possible geologic thermometer
731 Observations on two precision lattice measurements of pyrite from Leadville, Colorado
736 Petrology of the nepheline and corundum rocks of southeastern Ontario
752 Screw axes of symmetry and their symbols
759 Natural ex-solution intergrowths of magnetite and hematite
761 Magnetite crystals from copper converter
NEW MINERAL NAMES
770 New mineral names
NOTES and NEWS
757 Notes and news: Talc in the salines of the potash field near Carlsbad, Eddy County, New Mexico
BOOK REVIEW
764 Book reviews
PROCEEDINGS
769 Proceedings of Societies
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.