Mineralogy Database

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4 samples matching your criteria

  • Sample n°4448 : dull black crystals (1-4 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1954
    Country: Rwanda
  • Sample n°4604 : pentagonal dodecahedron (1 cm)
    Minerals: GARNET
    Year: 1954
    Country: Rwanda
  • Sample n°9925 : purple purpurite in greisen (10 cm)
    Minerals: PURPURITE
    Year:
    Country: Rwanda
  • Sample n°9926 : scoriaceous block of mixed phosphates (10 cm)
    Minerals: HETEROSITE DUFRENITE
    Year:
    Country: Rwanda