Mineralogy Database

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853 samples matching your criteria

  • Sample n°4430 : fibro-radial brown block (7 cm)
    Minerals: GOETHITE
    Year: 1954
    Country: République Centrafricaine
  • Sample n°4431 : octahedral crystals (0.5-2 cm)
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°4432 : octahedral crystals (3 mm)
    Minerals: MAGNETITE
    Year:
    Country: Angola
  • Sample n°4433 : black massive block
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°4434 : altered crystals in chloritic rock
    Minerals: MAGNETITE
    Year:
    Country: Angola
  • Sample n°4435 : octahedral crystals (8 mm) and anhedral crystal (4 cm)
    Minerals: MAGNETITE
    Year: 1954
    Country: Burundi
  • Sample n°4436 : black sand
    Minerals: MAGNETITE
    Year: 1954
    Country: Rwanda
  • Sample n°4437 : granular microcrystalline chromite in norite
    Minerals: CHROMITE
    Year:
    Country: South Africa
  • Sample n°4438 : polished section
    Minerals: HOLLANDITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4439 : crystals (1 cm)
    Minerals: TANTALITE COLUMBITE
    Year: 1954
    Country: Congo (RDC)
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