Mineralogy Database

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14 samples matching your criteria

  • Sample n°1427 : highly altered debris
    Minerals: MARCASITE
    Year:
    Country: Congo (RDC)
  • Sample n°5884 : fibro-radial malachite nodules, altered cubic pyrite crystals
    Minerals: MARCASITE PYRITE
    Year:
    Country: Unknown
  • Sample n°5910 : nodules (15 cm)
    Minerals: MARCASITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6684 : bundle of crystals (1 cm), on altered sulfides
    Minerals: MARCASITE QUARTZ
    Year: 1954
    Country: Germany
  • Sample n°6685 : black cubic crystals (1 cm) on fibrous marcasite (15 cm)
    Minerals: MARCASITE GALENA
    Year: 1954
    Country: Belgium
  • Sample n°6686 : bladed block (4 cm)
    Minerals: MARCASITE
    Year: 1954
    Country: Belgium
  • Sample n°6688 : fragment (7 cm) covered with small crystals
    Minerals: MARCASITE
    Year: 1954
    Country: Belgium
  • Sample n°10782 : mixed material on corneal substrate
    Minerals: MARCASITE RHODOCHROSITE GRUNERITE PYRITE
    Year: 1964
    Country: Czech Republic
  • Sample n°11188 : bright microgranular veins in lignite
    Minerals: MARCASITE
    Year: 1966
    Country: Germany
  • Sample n°11206 : bright black material
    Minerals: BOURNONITE MARCASITE
    Year: 1966
    Country: Portugal