Mineralogy Database

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71 samples matching your criteria

  • Sample n°4319 : grey prismatic crystal (1 cm)
    Minerals: RUTILE
    Year: 1954
    Country: Rwanda
  • Sample n°4340 : black plate resembling a pottery fragment
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4341 : black xyloidal cassiterite in pegmatite (10 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4343 : black crystals (1 cm) in micaceous schist
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4426 : cubes and dodecahedrons (1 cm), as alteration products of pyrite
    Minerals: GOETHITE
    Year: 1954
    Country: Rwanda
  • Sample n°4446 : black plates (6 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1954
    Country: Rwanda
  • Sample n°4659 : pink stony prismatic crystal (15 cm)
    Minerals: BERYL
    Year: 1954
    Country: Rwanda
  • Sample n°4691 : debris
    Minerals: TOURMALINE
    Year: 1954
    Country: Rwanda
  • Sample n°6084 : xyloidal tabular crystals on greisen (10 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°6085 : stony emerald-like prismatic crystals (1-5 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
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