Mineralogy Database

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853 samples matching your criteria

  • Sample n°4325 : large fibrous crystals
    Minerals: MANGANITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4326 : nodules
    Minerals: PYROLUSITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4327 : nodules (two polished sections)
    Minerals: PYROLUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°4328 : layer of brown specular crystals (2-6 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4329 : brown crystalline block (2 kg)
    Minerals: CASSITERITE
    Year:
    Country: Unknown
  • Sample n°4330 : group of crystals
    Minerals: CASSITERITE
    Year:
    Country: Unknown
  • Sample n°4331 : black crystals in feldspar-rich rock
    Minerals: CASSITERITE FELDSPAR
    Year:
    Country: Unknown
  • Sample n°4332 : brown fibrous blocks (3 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4333 : flattened prismatic crystal (7 cm) in vein quartz
    Minerals: CASSITERITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4334 : brown fibrous block (4 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Congo (RDC)
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