Mineralogy Database

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474 samples matching your criteria

  • Sample n°1061 : brown rock with pale blue veins and dark blue needles
    Minerals: HEMATITE
    Year: 1910
    Country: Congo (RDC)
  • Sample n°1066 : bluish geodes in massive hematite
    Minerals: CHALCEDONY (quartz) HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°1196 : massive
    Minerals: HEMATITE
    Year: 1943
    Country: Congo (RDC)
  • Sample n°1197 : specular hematite on pink baryte
    Minerals: BARYTE HEMATITE
    Year: 1943
    Country: Congo (RDC)
  • Sample n°1214 : specular
    Minerals: HEMATITE
    Year: 1942
    Country: Congo (RDC)
  • Sample n°1227 : massive chalcocite, fine acicular malachite
    Minerals: CHALCOCITE HEMATITE MALACHITE
    Year: 1942
    Country: Congo (RDC)
  • Sample n°1416 : granular specular block (5 cm)
    Minerals: HEMATITE QUARTZ
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1417 : red earthy material
    Minerals: HEMATITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°1433 : red block (20 cm)
    Minerals: HEMATITE MAGNETITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°1466 : large block (5 kg) with rust-coloured coating (5 cm)
    Minerals: CASSITERITE GOETHITE HEMATITE
    Year: 1971
    Country: Congo (RDC)
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