American Mineralogist
REGULAR ARTICLE
371 Relationship between light absorption and composition in a solid solution series
398 A compilation and classification of immersion media of high index of refraction
410 Synthetic asbestos investigations, II: X-ray and other data on synthetic fluor -richterite, -edenite, and boron edenite
422 Differential thermal analysis and cell dimensions of some natural magnetites
432 Preliminary report on investigations of minerals of columbium and tantalum and of certain associated minerals
453 A second occurrence of the mineral sinhalite (2 MgO · Al2O3 · B2O3)
458 Concentration of heavy accessories from large rock samples
469 Goldichite, a new hydrous potassium ferric sulfate from the San Rafael Swell, Utah
481 Radon leakage from radioactive minerals
497 Wavellite spherulites in the Bone Valley formation of central Florida
505 Scawtite from Crestrnore, California
510 A chemical, optical and x-ray study of scawtite from Ballycraigy, Larne, N. Ireland
520 “A discussion on “”Mechanism of solution of quartz in pure water at elevated temperatures and pressures””
522 Directional hardness variation in tungsten carbide (WC) monocrystals
527 Hornblende in diorite pegmatite near Camp Irwin, San Bernardino County, California
530 Lattice spacings in clear crystalline quartz and their variability
535 Absorption spectra of smoky quartz from an Arkansas vein deposit and from a Sierran miarolitic granite
537 A new parallel ruler for adapting the universal stage for petrographic analysis
540 Activation of photoluminescence in artificial calcite by stannous ion
542 On the stability and hydrothermal synthesis of benitoite
544 Faults in gypsum accessory plates
NEW MINERAL NAMES
551 New mineral names
NOTES and NEWS
515 Notes and news: Studies of uranium minerals (XVII): Synthetic schroeckingerite
BOOK REVIEW
546 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.