Mineralogy Database

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1547 samples matching your criteria

  • 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
  • Sample n°9729 : grey quartz aggregates (25 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9730 : honey-coloured crystalline plate
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9732 : green plates (5 cm) in greisen (15 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°9733 : translucent grey fragments with pink-red crusts
    Minerals: ALBITE EUCRYPTITE
    Year: 1962
    Country: Rwanda
  • Sample n°9734 : mixed phosphates
    Minerals: LITHIOPHILITE TRIPHYLITE PHOSPHOSIDERITE
    Year:
    Country: Rwanda
  • Sample n°9736 : emerald-like material (3 cm) in pegmatite
    Minerals: BERYL
    Year:
    Country: Rwanda
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