Mineralogy Database

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1097 samples matching your criteria

  • Sample n°9651 : altered black prismatic crystals in saccharoidal quartz (12 cm)
    Minerals: SCHORL QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9668 : black crystals (2 cm) in quartz
    Minerals: SCHORL QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9670 : grey vein quartz (10 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9688 : pegmatite
    Minerals: MUSCOVITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9695 : sample with green autunite in geode, smoky quartz
    Minerals: AUTUNITE QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9702 : massive sulfides in vein quartz (7-9 cm)
    Minerals: ARSENOPYRITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9723 : green prismatic crystals (7 cm) in pink vein quartz
    Minerals: ELBAITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9725 : block of pyramidal crystals (7 cm), smoky quartz
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9727 : blocks (12-20 cm) of grey pyramidal crystals
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9728 : block (30 cm) of white pyramidal crystals
    Minerals: QUARTZ CHALCEDONY (quartz) OPAL
    Year:
    Country: Rwanda
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