• Hogtuvaite Mineral Data

    www.webmineral.com/data/Hogtuvaite.shtml Hogtuvaite Crystallography: Axial Ratios: a:b:c =0.962:1:0.8257 : Cell Dimensions: a = 10.317, b = 10.724, c = 8.855, Z = 2; alpha = 105.77°, beta = 96.21°, gamma ...
  • Hogtuvaite Mineral Specimen For Sale

    www.dakotamatrix.com/products/24024/hogtuvaite Hogtuvaite Formula Ca 4 (Fe 2+ 6 Fe 3+ 6)O 4 [Si 8 Be 2 Al 2 O 36] Crystal System Triclinic Luster Subadamantine Color black Class Triclinic - Pinacoidal Hardness 5.5
  • Hogtuvaite, a new beryllian member of the aenigmatite ...

    pubs.er.usgs.gov/publication/70017512 Hogtuvaite is a new beryllian member of the aenigmatite group that was discovered in Nordland County, Norway. It is a metamorphic mineral, hosted by Proterozoic granitic gneisses and mafic pegmatites of metamorphic origin. Compositional variations within and between gneiss-hosted samples of hogtuvaite are minimal; however, pegmatite-hosted samples of hogtuvaite are significantly different ...
  • H¿gtuvaite (Ca Na) (Fe2+ Fe3+ Ti) (Si Be Al) O 2 6 20

    www.handbookofmineralogy.com/pdfs/hogtuvaite.pdf H¿gtuvaite (Ca;Na)2(Fe2+;Fe3+;Ti)6(Si;Be;Al)6O20 °c 2001 Mineral Data Publishing, version 1.2 Crystal Data: Triclinic, pseudomonoclinic. Point Group: 1: As prismatic crystals, to 4 cm, with well-developed striations k elongation; rarely in radiating groups.
  • Hogtuvaite Image - Mineral

    www.webmineral.com/specimens/picshow.php Dark platy crystals of hogtuvaite in matrix. Hogtuva, Mo i Rana, Nordland, Norway.
  • Hogtuvaite Image

    webmin.mindat.org/specimens/picshow.php Dark platy crystals of hogtuvaite in matrix. Hogtuva, Mo i Rana, Nordland, Norway.
  • HOGTUVAITE, A NEW BERVLLIAN MEMBER OF THE AENIGMATITE ...

    rruff-2.geo.arizona.edu/uploads/CM32_439.pdf HOGTUVAITE, A NEW BERVLLIAN MEMBER OF THE AENIGMATITE GROUP FROM NORWAY, WITH NEW X.RAY DATA ON AENIGMATITE RICHARD I. GRAUCH IJ.S. Geol.ogicat Survey,973 Denver Federal Center, Denver, Colora.do 80225' U.S.A. INGVARLINDAHL Norges geolngiskz undersqkelse, Postbol
  • Rhönite: Mineral information, data and localities.

    www.mindat.org/min-3402.html Rhönite Group. A Ti3+-bearing member, one of three currently known phases with essential trivalent titanium by tistarite and grossmanite, is known from ...
  • Welshite: Mineral information, data and localities.

    www.mindat.org/min-4267.html Named in 1970 and formally described in 1978 by Paul (Paulus) Brian Moore in honor of Wilfred "Bill" Reinhardt Welsh [January 29, 1915 West Orange, New Jersey, USA - November 14, 2002 Newton, New Jersey, USA), public school science teacher, auxiliary police officer, motorcycle enthusiast, and amateur mineralogist of Upper Saddle River, New Jersey (USA).
  • Classification of silicate minerals - Wikipedia

    en.wikipedia.org/wiki/Classification_of_silicate_minerals This list gives an overview of the classification of minerals (silicates) and includes mostly IMA recognized minerals and its groupings. This list complements the alphabetical list on List of minerals (complete) and List of minerals. Rocks, ores, mineral mixtures, non-IMA approved minerals and non-named. The grouping of the New Dana ...