American Mineralogist
REGULAR ARTICLE
287 Quantitative characterization of site-occupancies in minerals
307 The stability of amphibole in andesite and basalt at high pressures
315 Petrogenesis of the Concord gabbro-syenite complex, North Carolina
334 Mineral reactions and element migration during metamorphism of calcareous sediments from the Vassalboro Formation, south-central Maine
355 The stability of Mg-rich garnet in the system CaO-MgO-Al2O3-SiO2 at 1000-1300°C and high pressure
365 Mineralogy and phase relations in the blueschist facies of the Black Butte and Ball Rock areas, northern California Coast Ranges
373 Reversals in Fe-Mg partitioning between chloritoid and staurolite
389 Thermodynamic models of biotite pseudomorphs after staurolite
398 Calorimetric investigation of the excess entropy of mixing in analbite-sanidine solid solutions: lack of evidence for Na, K short-range order and implications for two-feldspar thermometry
414 Thermal stability of the stilbite-type framework: crystal structure of the dehydrated sodium/ammonium exchange form
420 Hydrobiotite, a regular 1:1 interstratification of biotite and vermiculite layers
426 The high-frequency vibrational spectra of vitreous and crystalline orthosilicates
444 Fluorine-bearing garnets in Adirondack calc-silicates
449 Crystal chemistry and petrology of coexisting galaxite and jacobsite and other spinel solutions and solvi
456 Metastudtite, UO4·2H2O, a new mineral from Shinkolobwe, Shaba, Zaire
459 Diffraction analysis of metamict samarskite
NEW MINERAL NAMES
471 NEW MINERAL NAMES
BOOK REVIEW
475 BOOK REVIEWS
PROCEEDINGS
466 Report of the Treasurer for 1979-1981
469 Report of the MSA Financial Advisory Committee for 1980 and 1981
TABLE OF CONTENTS
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SPECIAL COLLECTIONS
Table of Contents
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American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.