Mineralogy Database

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37 samples matching your criteria

  • Sample n°3547 : brown concentrate (0.5 cm)
    Minerals: ILMENITE
    Year: 1953
    Country: Congo (RDC)
  • Sample n°3548 : ochrous concentrate (1 cm)
    Minerals: GOETHITE
    Year: 1953
    Country: Congo (RDC)
  • Sample n°3549 : honey-coloured concentrate (0.5 cm)
    Minerals: ZIRCON
    Year: 1953
    Country: Congo (RDC)
  • Sample n°4251 : industrial diamond (8.3 ct)
    Minerals: DIAMOND
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4317 : small black massive blocks
    Minerals: ILMENITE
    Year: 1954
    Country: Congo (RDC)
  • 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°4587 : prismatic crystals in geode (6 cm)
    Minerals: QUARTZ
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4589 : purplish and grey prismatic crystals (3 cm)
    Minerals: QUARTZ AMETHYST (quartz)
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4607 : red concentrate (2 mm)
    Minerals: PYROPE
    Year: 1954
    Country: Congo (RDC)
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