Mineralogy Database

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7938 samples matching your criteria

  • Sample n°1427 : highly altered debris
    Minerals: MARCASITE
    Year:
    Country: Congo (RDC)
  • Sample n°1428 : reddish tourmalinite
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°1429 : sulfides in rock with quartz and actinolite
    Minerals: ACTINOLITE ARSENOPYRITE GARNET PYRITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1430 : white crystals (5 cm) in black schist
    Minerals: ANDALUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°1431 : tourmalinite fragment (10 cm)
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°1432 : brown mass in quartz
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1433 : red block (20 cm)
    Minerals: HEMATITE MAGNETITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°1436 : geode lined by crystals (1 cm)
    Minerals: AMETHYST (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°1439 : crust of crystals (1 cm) on rock substrate
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1440 : traces of gold in saccharoidal quartz
    Minerals: GOLD ARSENOPYRITE QUARTZ
    Year:
    Country: Congo (RDC)
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