 | | Journal (article/letter/editorial) | | CRYSTALLOGRAPHICNOTES: CRISTOBALITE, STEPHANITE, NATROLITE Josnrrr Munnocu, Uniaersityof CatiJorni,a...a,LosAngeles. ABSTRAcT cristobalite crystals with cubic habit are reported from Two Rivers, california...receiveda specimenof olivine basalt carrying cristobalite crystals on its fracture surfaces. The material...rRosicky, v', Die drusen Minerale des Andesites von Nezdenice in Mchren: r'asrschrift, V. Goldschmidt, Heidelberg...Heidelberg, 229-242 (lg2g). 2Weil, R., Synthlse de la cristobalite par voie humide: Compt. Rend.usAcad. Sc.i. (Paris) |  | | Book | | about 25 articles. Milan Novák (1952, Vyškov, Czech Republic) Head of the Department of Mineralogy, Petrology...published in Czech Republic by Granit, s. r. o., Ditinova 10. 150 00 Prague 5, Czech Republic E-mail: i...reproduction by Studio W G . Prague Printed in Czech Republic by Finidr. s. r. o., Český Tčšín 06/23/03/01...References 15 20 28 Mineralogical Regions Czech Republic (Milan Novák) Hungary (Sándor Szakáll) Poland...85 114 Descriptions of the Mineral Species Czech Republic (Milan Novák). Hungary (Sándor Szakáll), Poland | | | Book | | published in Czech Republic by Granit. s. r. o.. Dninova I0. 150 00 Prague 5. Czech Republic E-mail: in...reproduction by Studio VVG, Prague Printed in Czech Republic by F111idr. s. r. o.. Ce ky Tesin 06/23/03/0............................................. 3 1 Czech Re public (M ilan Novak) ........................................................... 127 Czec h Republic (Mi lan Novak). Hungary (Sandor Szakall), Po land......................................... 397 Czech Republic (Moravia) ................................ |  | | Book (volume) | | 270 CRISTOBALITE High-Cristobalite 273 273 Structure, 273 Properties, 276 Low-Cristobalite 276 ...Hexagonal Hexagonal: (stable 870-1470°) Low-cristobalite Below 200° Hexagonal-P; trigonal trapezohedral...Tetragonal; tetragonal trapezohedral (?) High-cristobalite Keatite 200-1720° (stable 1470-1720”) Metastable...quartz, was described by vom Rath in 1868, and cristobalite was described by him in 1884. Both substances...called high-, middle-, and low-tridymite, and cristobalite has been found to include two related polymorphs |  | 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) | | Dept. of Mineralogy, National Museum, Prague, Czech Republic. Seppo Lahti: Geological Survey of Finland...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...deposits, ON; Atlin and Caribou, BC; and Klondike district, YT. In Mexico, Altar and Magdalena, SON; Parral...localities, AZ; Calico district, San Bernadino Co., Cerro Gordo(*), Inyo Co., Bodie district, Mono Co., and other |  | | Book (volume) | | FELSPARS.166 SILICA MINERALS.179 Quartz, Tridymite, Cristobalite . . . . .179 NEPHELINE GROUP.231 Nepheline...sodium to pure potassium felspar corresponds to a region of unmixing, and the unmixing occurs on a coarser...result of heating orthoclase microperthites in the region 600°-1025°C. is an exchange of sodium and potassium...(“cryptoperthite”), nordmarkite, Spalen, Nordmark, Oslo district, Norway (Oftedahl, 1948). Anal. Lars Lund. 3....pyroxene granulite of the charnockite senes, Salem district Madras (Howie, 1955). Anal. R. A. Howie. 16. Colourless |  | | Book | | anatase (352); quartz (534) - tridymite (461) - cristobalite (462); sphalerite (181) - wurtzite (184); pyrite...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum Desert and Volgaland...(217), marcasite (437) • Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit...volcano Avachinskaya in Kamchatka (USSR), Wiesbaden region (FRG) • Application: chemical, glass and food industries...Linares (Spain), Poniky (Czechoslovakia), Tintic district - Utah (USA). 1. Sideronatrite - long prismatic | | | Book | | anatase (352); quartz (534) — tridymite (461) — cristobalite (462); sphalerite (181) — wurtzite (184); pyrite...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Machow (Poland), Karakum Desert and Volgaland...(217), marcasite (437) e Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit...volcano Avachinskaya in Kamchatka (USSR), Wiesbaden region (FRG) e Application: chemical, glass and food industries...Linares (Spain), Poniky (Czechoslovakia), Tintic district — Utah (USA). 1. Sideronatrite — long prismatic |
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