American Mineralogist
REGULAR ARTICLE
449 Assessment of prestige and price of professional publications
470 “Systems Fe-O and Cu-O: Thermodynamic data for the equilibria Fe-“”FeO,”” Fe-Fe3O4, “”FeO””-Fe3O4, Fe3O4-Fe2O3, Cu-Cu2O, and Cu2O-CuO from emf measurements”
487 Experimental investigation of the effect of oxygen fugacity on ferric-ferrous ratios and unit-cell parameters of four natural clinoamphiboles
500 Structural adjustments accompanying oxidation-dehydrogenation in amphiboles
507 Ongonite and topazite dikes in the Flying W ranch area, Tonto basin, Arizona
524 High-pressure-high-temperature melting experiments on a SiO2-poor aphanitic kimberlite from the Wesselton mine, Kimberley, South Africa
534 27Al and 29Si MASS NMR spectroscopy of glasses in the system anorthite-diposide-forsterite
547 Titanian chondrodite- and titanian clinohumite-bearing metadunite from the 3800 Ma Isua supracrustal belt, West Greenland: Chemistry, petrology, and origin
559 Alteration of andalusite to sheet silicates in a pegmatite
568 XRD, FTIR, and TEM studies of optically anisotropic grossular garnets
585 Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites
595 Crystal chemistry of double-ring silicates: Structures of sugilite and brannockite
601 A re-examination of thortveitite
608 Crystal structure of andremeyerite: BaFe(Fe,Mn,Mg)Si2O6
613 Symmetry, twinning, and parallel growth of scolecite, mesolite, and natrolite
619 SEM study of dolomite microcrystals in Grenville marble
632 Holdawayite, a new manganese hydroxyl-carbonate from the Kombat mine, Namibia
637 Holdawayite, Mn6(CO3)2(OH)7(Cl,OH), a structure containing anions in zeolite-like channels
643 Asisite, a silicon-bearing lead oxychloride from the Kombat mine, South West Africa (Namibia)
651 Högbomite from the Vumba schist belt, Botswana
657 Crystal-structure refinement of stottite, FeGe(OH)6
662 An improved Bond air mill for the preparation of spherical single crystals
670 Acceptance of the Roebling Medal of the Mineralogical Society of America for 1987
674 Acceptance of the Mineralogical Society of America Award for 1987
AWARD
668 PRESENTATION OF AWARDS FOR 1987 Presentation of the Roebling Medal of the Mineralogical Society of America for 1987 to Gerald V. Gibbs
673 Presentation of the Mineralogical Society of America Award for 1987 to Donald J. DePaolo
NEW MINERAL NAMES
666 NEW MINERAL NAMES
ERRATA
667 ERRATUM
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American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.