American Mineralogist
REGULAR ARTICLE
309 Smythite, a new iron sulfide, and associated pyrrhotite from Indiana
334 Determination of the composition of plagioclase feldspars by means of infrared spectroscopy
342 Kobeite from Paringa River, South Westland, New Zealand
354 A spectrographic study of the minor element content of diamond
362 The grinding hardness of diamond in a principal cutting direction
367 Uranium and thorium in accessory allanite of igneous rocks
379 Larnite, scawtite and hydrogrossular from Tokatoka, New Zealand
393 A technique for the isolation of montmorillonite and halloysite
398 Characterization of β-Ga2O3 and its alumina isomorph, θ-Al2O3
408 Sengierite from Bisbee, Arizona
416 The preparation of petrographic sections with bonded diamond wheels
422 Two new types of holders used in grinding thin sections
425 Genthelvite from Cookstove Mountain, El Paso County, Colorado
429 The crystallography of cerite
432 Lineation protractor
NEW MINERAL NAMES
440 New mineral names
NOTES and NEWS
412 Notes and News: Paragenesis of anthophyllite and hornblende from the Bancroft area, Ontario
BOOK REVIEW
435 Book reviews
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.