Mineralogy Database

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7938 samples matching your criteria

  • Sample n°429 : traces in bluish quartz
    Minerals: GOLD QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°434 : plates (0.5 cm) in rounded yellowish quartz
    Minerals: GOLD QUARTZ
    Year: 1920
    Country: Congo (RDC)
  • Sample n°435 : red cubes (2 mm to 3 cm), pseudomorphic after pyrite crystals
    Minerals: HEMATITE
    Year: 1920
    Country: Congo (RDC)
  • Sample n°436 : specular debris
    Minerals: HEMATITE
    Year: 1920
    Country: Congo (RDC)
  • Sample n°437 : clear prismatic crystals (5 cm)
    Minerals: QUARTZ
    Year: 1920
    Country: Congo (RDC)
  • Sample n°438 : rhombododecahedron (3 mm)
    Minerals: GOLD
    Year: 1921
    Country: Congo (RDC)
  • Sample n°441 : ochrous blocks
    Minerals: GOETHITE
    Year: 1920
    Country: Congo (RDC)
  • Sample n°444 : geodes in black schist
    Minerals: CALCITE
    Year: 1921
    Country: Congo (RDC)
  • Sample n°445 : rust-coloured rounded crystals
    Minerals: CASSITERITE
    Year: 1922
    Country: Congo (RDC)
  • Sample n°446 : concentrate
    Minerals: CASSITERITE
    Year: 1922
    Country: Congo (RDC)
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