Mineralogy Database

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7938 samples matching your criteria

  • Sample n°7184 : needles covered by a second generation of crystals
    Minerals: MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°7185 : large tabular crystals on irregular substrate
    Minerals: METATORBERNITE HETEROGENITE
    Year:
    Country: Congo (RDC)
  • Sample n°7188 : reniform oxidised plates, electrolytic copper
    Minerals: COPPER
    Year:
    Country: Congo (RDC)
  • Sample n°7191 : cross-shaped twinning (2-4 cm)
    Minerals: STAUROLITE
    Year:
    Country: Congo (RDC)
  • Sample n°7192 : crust with undulating surface (1 cm thickness)
    Minerals: GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°7208 : significant occurrence on quartz debris
    Minerals: GOLD QUARTZ
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7209 : cubic crystals (1 cm) in gold-bearing quartz
    Minerals: GALENA QUARTZ
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7210 : grains and small plates
    Minerals: GOLD
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7211 : yellow crust on soft white rock
    Minerals: SULPHUR
    Year: 1912
    Country: Congo (RDC)
  • Sample n°7214 : green carbonatite (25 cm)
    Minerals: AMPHIBOLE
    Year: 1959
    Country: Congo (RDC)
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