Mineralogy Database

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121 samples matching your criteria

  • Sample n°10367 : stony prismatic crystals (1-5 cm)
    Minerals: BERYL
    Year: 1963
    Country: Rwanda
  • Sample n°10447 : black crystal (2 cm)
    Minerals: TANTALITE-(Mn)
    Year:
    Country: Rwanda
  • Sample n°10448 : white saccharoidal block (7 cm)
    Minerals: ALBITE
    Year:
    Country: Rwanda
  • Sample n°10450 : white block (15 cm)
    Minerals: AMBLYGONITE
    Year: 1963
    Country: Rwanda
  • Sample n°10458 : crust of red prismatic crystals (1 cm)
    Minerals: AMETHYST (quartz)
    Year:
    Country: Rwanda
  • Sample n°10616 : stony prismatic crystals (3-10 cm)
    Minerals: BERYL
    Year: 1964
    Country: Rwanda
  • Sample n°10617 : stony and pale green prismatic crystals (3-10 cm)
    Minerals: BERYL
    Year: 1964
    Country: Rwanda
  • Sample n°10618 : sample with meta-autunite in smoky quartz and muscovite
    Minerals: META-AUTUNITE
    Year: 1965
    Country: Rwanda
  • Sample n°10759 : greenish prismatic crystals in amblygonite-bearing pegmatite
    Minerals: BERYL AMBLYGONITE
    Year: 1965
    Country: Rwanda
  • Sample n°10760 : altered pyrite-bearing rock
    Minerals: PYRITE
    Year: 1965
    Country: Rwanda
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