Mineralogy Database

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330 samples matching your criteria

  • Sample n°4407 : concentrate (1 cm)
    Minerals: ZIRCON
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4429 : crystals (1-5 mm), as alteration products of pyrite
    Minerals: GOETHITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4431 : octahedral crystals (0.5-2 cm)
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°4433 : black massive block
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°4456 : flattened crystals (2 cm) in geode
    Minerals: CALCITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4457 : crust of white scalenohedral crystals
    Minerals: CALCITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4458 : geode with balls of crystals (1 cm)
    Minerals: CALCITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4459 : equant euhedral crystals on red quartz
    Minerals: ANALCIME
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4460 : rhombohedral crystals (1 cm) on red rock
    Minerals: CALCITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4465 : bundles of tabular crystals in geode
    Minerals: HEMIMORPHITE SMITHSONITE
    Year: 1954
    Country: Congo (RDC)
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