American Mineralogist
REGULAR ARTICLE
463 Morphology and structure of endellite and halloysite
485 Synthesis of some hydrated manganese minerals
500 An occurrence of natrolite, andradite, and allanite in the Franklin Furnace quadrangle, New Jersey
508 An amplifier for differential thermal analysis
525 Studies on uranium minerals (III): Saleeite from Schneeberg, Saxon
531 Studies on uranium minerals (IV): Johannite
536 Thermoelectric power and electrical resistivity of minerals
556 An occurrence of jarosite in altered volcanic rocks of Stoddard Mountain, San Bernardino County, California
562 The crystal structure of ferroan zincian rhodochrosite
571 Tin and indium in mica, as determined spectrochemically
579 X-ray diffraction patterns of asbestos
590 The alternating layer sequence of rectorite
598 Demonstration of the double refraction of aragonite for rays traveling in the neighborhood of an optic axis
601 Mordenite from Tintic, Utah, and the discredited mineral arduinite
611 Constitution and By-laws of the Mineralogical Society of America
NOTES and NEWS
596 Notes and news: Notes on arcanite, ammonian aphthitalite and oxammite
BOOK REVIEW
605 Book reviews
PROCEEDINGS
609 Mineralogical Society (London)
614 Nominations of officers for 1951
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.