 | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Institut fur Mineralogie der Universitat Wien, Austria. Michael Zolensky: Lyndon Johnson Space Center...multiplicity of one or more lattice parameters. The term subgroup is used when many species exhibit Descriptions...(1966) Mineral News Mineralogy and Petrology (Austria) Mineralogica Polonica Micro Probe VII References...Co., Bonanza mine, Trinity Co., Michigan Bluff district, Placer Co., in AK, placers at Fairbanks, Iditarod...and quartz veins at Juneau. In Canada, Noranda district, PQ; Porcupine, Kirkland Lake, and Larder Lake |  | | Journal (article/letter/editorial) | | (Fe, Mg)2 SiO4 , orthopyroxene (Fe, Mg)SiO3 , clinopyroxene (Fe, Ca, Mg)SiO3 with different Ca content,...olivine and uninverted pigeonite, i.e., a clinopyroxene subgroup with 5–25% of Ca2+ fraction (see MBD),...and glass material [11] and then the druse clinopyroxene [12]. Glasses may be formed as a a relat result...and glass material [11] and then the druse clinopyroxene [12]. Glasses may be fo shown in Figure 4. ...than that for roomhas temperature of the druse clinopyroxene extracted from angrite an asymmetrical quadrupole |  | | Book | | other rare earths (Nd, Pr, Er, Tb) of the yttrium subgroup, especially Er, are also usually present. Some...alkalic rocks. Forms as a low-temperature mineral in basalt cavities, associated with zeolites. Calcite is...extrusive and near-surface intrusive igneous rocks, basalt, basalt, andesite, dacite, trachyte, rhyolite, and...in meteorites and in sandstone partly fused by basalt. Some bentonites contain considerable cristobalite...other peridotites, Less troctolite, gabbro, norite, basalt, diabase, essexite, and teschenite. common in intermediate |  | | Journal (issue) | | of Emerald Mining in the Habachtal Deposit of Austria, Part II Karl Schmetzer The finale of a two-part...Earth Sciences - NAWI Graz Geozentrum in Graz, Austria. ACKNOWLEDGMENTS Three of the topaz crystals investigated...OF EMERALD MINING IN THE HABACHTAL DEPOSIT OF AUSTRIA, PART II Karl Schmetzer Published information...their success or failure in emerald recovery in Austria. MINING HISTORY OF THE HABACHTAL EMERALDS (1916–1939)...mining, spending a period from 1921 to 1928 in Austria. Together with his son Otto Brennekam (1899–1960) |  | | Journal (issue) | | majoritic garnet ± FeNi-C-S phases ± retrograde clinopyroxene, plagioclase, olivine 1 4.41 ct CaPv + majoritic...pressure disproportionation study of iron in synthetic basalt glass. Carnegie Institution of Washington Yearbook...mineralogiques: particulierement sur les agates, et le basalt. Avec un détail sur la maniere de travailler les...Earth Sciences, Karl Franzens University in Graz, Austria. Dr. Häger is a scientist at the Centre for Gemstone...interest or significance. The collection includes basalt-related sapphire, metamorphic sapphire, marble-hosted |
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Basalt quarry, Klöch, Südoststeiermark District, Styria, Austria