Mineralogy Database

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1547 samples matching your criteria

  • Sample n°10614 : brown and honey-coloured crystals (4 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10615 : bright black tabular crystams (2 cm)
    Minerals: WOLFRAMITE
    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°10619 : layers of juxtaposed pyramidal crystals (2 cm)
    Minerals: AMETHYST (quartz)
    Year: 1964
    Country: Rwanda
  • Sample n°10620 : plate of purplish black pyramidal crystals (15 cm)
    Minerals: QUARTZ
    Year: 1964
    Country: Rwanda
  • Sample n°10621 : white blocks
    Minerals: AMBLYGONITE
    Year: 1964
    Country: Rwanda
  • Sample n°10622 : plates (15 cm)
    Minerals: CASSITERITE
    Year: 1964
    Country: Rwanda
  • Sample n°10623 : black tablets (1-4 cm)
    Minerals: COLUMBITE
    Year:
    Country: Rwanda
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