Mineralogy Database

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953 samples matching your criteria

  • Sample n°13355 : purple amphibolite (14 cm)
    Minerals: HOLMQUISTITE
    Year:
    Country: Rwanda
  • Sample n°13356 : metallic spots on blue amphibolite (8 cm)
    Minerals: HOLMQUISTITE PYRITE
    Year:
    Country: Rwanda
  • Sample n°13358 : blocks of mixed phosphates (10 cm)
    Minerals: HETEROSITE PURPURITE ALLUAUDITE PHOSPHOSIDERITE
    Year:
    Country: Rwanda
  • Sample n°13361 : red granular block (15 cm)
    Minerals: HEMATITE MAGNETITE
    Year:
    Country: Rwanda
  • Sample n°13362 : white blocks (8 cm), with cleavage
    Minerals: AMBLYGONITE
    Year:
    Country: Rwanda
  • Sample n°13365 : black octahedra (1 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°13547 : pink variscite crust on green block (5 cm)
    Minerals: BRAZILIANITE VARISCITE
    Year:
    Country: Rwanda
  • Sample n°13599 : broken pyrite crystal (8 cm) with enclosed black cassiterite
    Minerals: PYRITE CASSITERITE
    Year: 1970
    Country: Rwanda
  • Sample n°13602 : pink coating of mixed phosphates
    Minerals: VARISCITE
    Year: 1979
    Country: Rwanda
  • Sample n°13603 : bright pink (hureaulite) and purple (phosphosiderite) crust on purple blocks
    Minerals: HUREAULITE PHOSPHOSIDERITE PURPURITE
    Year: 1979
    Country: Rwanda
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