Mineralogy Database

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83 samples matching your criteria

  • 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)
  • Sample n°1441 : block (7 cm) with ochre surface
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°1442 : bluish fragments (5 cm)
    Minerals: CORUNDUM
    Year:
    Country: Congo (RDC)
  • Sample n°1444 : brown crystals (1 cm) in saccharoidal quartz
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°1445 : green prismatic crystals (3 cm) in white talc-bearing schist
    Minerals: ACTINOLITE
    Year: 1971
    Country: Congo (RDC)
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