American Mineralogist
REGULAR ARTICLE
457 On the orientation of the thermal and compositional strain ellipsoids in feldspars
465 Heideite, (Fe,Cr)1+x(Ti, Fe)2S4, a new mineral in the Bustee enstatite achondrite
471 Precipitation of norsethite at room temperature
475 Crystal structures of three polymorphs of Co2SiO4
486 Crystal structures of spinel polymorphs of Fe2SiO4 and Ni2SiO4
491 Effect of layer charge location on potassium exchange and hydration of micas
496 The upper stability of clinochlore at low pressure and the free energy of formation of Mg-cordierite
508 Pedogenic palygorskite occurrences in Australia
518 The physical properties of the Mg-Fe richterites
529 Coexisting actinolite and hornblende from West-Central New Hampshire
536 Phase relations of titan-acmite in the system Na2O-Fe2O3-Al2O3 TiO2-SiO2 at 1000 bars total water pressure
549 Structure and crystal chemistry of calcium Tschermak’s pyroxene, CaAlAlSiO6
558 Devonian grossularite-spessartine overgrowths on Ordovician almandine from Eastern Vermont
563 The spectrum of Fe2+ in silicate garnets
567 Bjarebyite, Ba(Mn,Fe)2+2Al2(OH)3[PO4]3: Its atomic arrangement
573 Structural chemistry of copper and zinc minerals. Part 1. Veszelyite,(Cu, Zn)2ZnPO4(OH)3·2H2O: A novel type of sheet structure and crystal chemistry of copper-zinc substitution
582 Crystal structures and mineral chemistry of hydrated ferric sulfates. IV. The crystal structure of quenstedtite
587 The generation of N2-CO2-H2O fluids for use in hydrothermal experimentation. I. Experimental method and equilibrium calculations in the C-O-H-N system
598 The generation of N2-CO2-H2O fluids for use in hydrothermal experimentation. II. Melting of albite in a multispecies fluid
604 Infrared reflection spectroscopy of microscopic mineral grains
608 Alteration of chromite from the Twin Sisters dunite, Washington
615 New X-ray and chemical data on C. G. Hewlett’s feldspar suite
618 Synthesis of scapolite under magmatic conditions
621 Optical spectroscopy of green vanadium apophyllite from Poona, India
623 Corrensite in the Wellington Formation, Lyons, Kansas
625 The polarized spectra of iron in silicates: Olivine. A discussion of neglected contributions from Fe2+ ions in M(1) sites
630 The polarized spectra of iron in silicates: II. Olivine. A reply
NEW MINERAL NAMES
632 NEW MINERAL NAMES
MINERALOGICAL NOTES
613 MINERALOGICAL NOTES Fission track dating of tanzanite
NOTES
642 NOTICES
BOOK REVIEW
634 BOOK REVIEWS
PROCEEDINGS
645 LIST OF OFFICERS AND COMMITTEES
ERRATA
640 ERRATA
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.