Mineralogy Database

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230 samples matching your criteria

  • Sample n°8303 : grey-blue metallic material
    Minerals: BORNITE CHALCOCITE CHALCOPYRITE GOETHITE HEMATITE PYRITE SPHALERITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°8536 : purplish fibrous blocks (4 cm)
    Minerals: GOETHITE
    Year:
    Country: Rwanda
  • Sample n°8617 : debris of crust
    Minerals: GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°8875 : white block (12 cm) with brown spots
    Minerals: GOETHITE TALC
    Year:
    Country: Rwanda
  • Sample n°9924 : rust-coloured blocks (5 cm)
    Minerals: GOETHITE
    Year:
    Country: Rwanda
  • Sample n°10295 : black reniform block (5 cm)
    Minerals: GOETHITE
    Year: 1963
    Country: Rwanda
  • Sample n°10780 : blue acicular crystals (plancheite)
    Minerals: PLANCHEITE CALCITE GOETHITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10883 : zoned fibro-radial mass in quartzite
    Minerals: GOETHITE
    Year: 1964
    Country: Burundi
  • Sample n°10922 : reniform block with fibrous structure (6 cm)
    Minerals: GOETHITE
    Year: 1964
    Country: India
  • Sample n°10984 : massive ore
    Minerals: GOETHITE CHALCOCITE
    Year: 1966
    Country: Namibia