Mineralogy Database

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2 samples matching your criteria

  • Sample n°20259 : large prismatic crystals in gneissic granite matrix, polished surface
    Minerals: MICROCLINE
    Year: 1968
    Country: Rwanda
  • Sample n°20259 : large prismatic crystals in gneissic granite matrix, polished surface
    Minerals: MICROCLINE
    Year: 1968
    Country: Rwanda
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