Mineralogy Database

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1477 samples matching your criteria

  • Sample n°1466 : large block (5 kg) with rust-coloured coating (5 cm)
    Minerals: CASSITERITE GOETHITE HEMATITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°1469 : primatic crystal with pyramidal terminations (20 cm)
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1471 : crystalline crust on volcanic tuff
    Minerals: SULPHUR
    Year:
    Country: Congo (RDC)
  • Sample n°1472 : yellow crusts
    Minerals: SULPHUR
    Year:
    Country: Congo (RDC)
  • Sample n°1474 : crystals in quartz
    Minerals: CALCITE GALENA QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1481 : small crystals in iron-rich cavernous rock
    Minerals: GALENA GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°1482 : ochre earthy block (4 cm)
    Minerals: GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°1488 : massive block (7 cm)
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°1548 : purple pyramidal crystals (3 and 5 cm)
    Minerals: AMETHYST (quartz)
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1555 : fibrous block (4 cm)
    Minerals: KYANITE
    Year:
    Country: Congo (RDC)
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