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hyalophane    
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  • Hyalophane - Wikipedia
    Hyalophane or jaloallofane is a crystalline mineral, part of the feldspar group of tectosilicates It is considered a barium-rich potassium feldspar [5] Its chemical formula is (K,Ba)[Al(Si,Al)Si 2 O 8], and it has a hardness of 6 to 6 + 1 ⁄ 2 The name hyalophane comes from the Greek hyalos, meaning "glass", and phanos meaning "to appear" [4]
  • Hyalophane: Mineral information, data and localities. - mindat. org
    Hyalophane is now a variety of microcline or orthoclase which contains substantial barium First Recorded Locality: ⓘ Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland
  • Hyalophane
    The finest crystals of hyalophane ever found have come from the Zagradski Potok Mine in Bosnia Herzegovina These are some of the most impressive examples of crystallized feldspar ever found due to their impressive gemminess and size along with the fine sharpness and luster of the crystals
  • K Feldspar: Mineral information, data and localities. - mindat. org
    Potassium-dominant feldspar s with variable crystal symmetry and Al-Si ordering state; they are a subgroup of Alkali feldspar s which form a structural series from fully ordered, triclinic Microcline through partially ordered Orthoclase to completely disordered, monoclinic Sanidine
  • Hyalophane Mineral Data
    Hyalophane Comments: Twinned crystal of hyalophane slightly yellow from iron stains Location: Sarajevo, Bosnia, Yugoslavia Scale: 4 x 3 cm © Isaias Casanova IC Minerals
  • Hyalophane | mineral | Britannica
    hyalophane, a barium-rich variety of potassium feldspar; see celsian This article was most recently revised and updated by
  • Hyalophane (Feldspar) - National Gem Lab
    Hyalophane or jaloallofane is a crystalline mineral, part of the feldspar group of tectosilicates It is considered a barium-rich potassium feldspar [5] Its chemical formula is (K, Ba)[Al(Si, Al)Si2O 8 ], and it has a hardness of 6 – 6 1⁄2
  • Hyalophane (K Ba)Al(Si Al)3O8 - Handbook of Mineralogy
    Hyalophane (K;Ba)Al(Si;Al)3O8 °c 2001 Mineral Data Publishing, version 1 2 Crystal Data: Monoclinic Point Group: 2=m: Crystals similar to adularia or orthoclase, to 20 cm; also granular or massive Twinning: Commonly simple twins according to the Carlsbad, Manebach, or Baveno laws
  • Hyalophane and other metal silicates - HyperPhysics
    Hyalophane is silicate mineral which contains barium and has the composition (K,Ba)Al(Si,Al) 3 O 8 The sample at left is about 12x8 cm and is from Bustovata, Bosnia and Herzegovina These samples are displayed in the Smithsonian Museum of Natural History
  • HYALOPHANE Definition Meaning - Merriam-Webster
    The meaning of HYALOPHANE is a mineral BaAl2Si2O8 consisting of a monoclinic feldspar isomorphous with and resembling adularia





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