American Mineralogist
REGULAR ARTICLE
211 Some textural features of magmatic and metasomatic rocks
251 A Structural study of iddingsite from New South Wales, Australia
261 Delrioite, a new calcium strontium vanadate from Colorado
265 Narsarsukite from Sage Sage Creek, Sweetgrass Hills, Montana
274 On the hydrates of sodium carbonate, a correction, and the crystallography of trona
282 The origin of the vermiculite deposit at Libby, Montana
300 Geochemical and x-ray investigation of natural and synthetic analcites
314 Graphs for the elimination of the Hartmann net in the determination of refractive indices in high dispersion media
322 Mineralogical applications of electron diffraction. II. Studies of some vanadium minerals of the Colorado Plateau
342 A restudy of stevensite and allied minerals
393 Acceptance of the Roebling Medalof the Mineralogical Society of America
397 Acceptance of the 1958 Mineralogical Society of America Award
419 Synthesis of sabugalite
423 Directional grinding hardness of quartz by peripheral grinding
428 Tephroite from Clark Peninsula, Wilkes Land, Antarctica
431 A sample holder for DTA of fusible or reactive samples
433 Spontaneous oxidation of a sample of powdered siderite
435 A quantitative correction for the Holmes effect
437 Graphical representation of amphibole compositions
440 The near infrared spectrum of beryl
445 The synthesis of uvarovite
447 Further studies on 6CaO·3SiO2·H2O
452 Polymorphism in barium disilicate
453 Melting of calcite in the presence of water
AWARD
390 Presentation of the Roebling Medal to Martin J. Buerger
395 Presentation of the 1958 Mineralogical Society of America Award to Charles Edward Weaver
NEW MINERAL NAMES
464 New Mineral Names
NOTES and NEWS
416 Notes and News: Microframeworks
BOOK REVIEW
462 Book Reviews
PROCEEDINGS
399 Proceedings of the thirty-ninth annual meeting of the Mineralogical Society of America at St. Louis, Missouri
MEMORIAL
371 Memorial of Carl Faessler
373 Memorial of Frank Fitch Grout
377 Memorial of Elbridge Churchill Jacobs
380 Memorial of Alexander Newton Winchell
386 Memorial of Samuel Zerfoss
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.