Mineralogy Database

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1477 samples matching your criteria

  • Sample n°12648 : bright black rounded crystals (1-6 cm)
    Minerals: ILMENITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12649 : bright black blocks (5 cm)
    Minerals: MANGANITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12650 : black debris (1 cm)
    Minerals: MANGANESE OXIDES
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12651 : mixed fragments (1-4 cm)
    Minerals: BISMUTITE CASSITERITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12652 : brown crystals (mm) in red massive hematite
    Minerals: CASSITERITE HEMATITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12653 : rounded block (15 cm) with brown surface
    Minerals: BISMUTITE MANGANESE OXIDES
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12654 : brown plates (1 cm) and green platelets in pegmatite
    Minerals: COLUMBITE MUSCOVITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12656 : broken tabular crystals (4 cm) in vein quartz
    Minerals: COLUMBITE QUARTZ
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12657 : small crystals in vein quartz
    Minerals: COLUMBITE QUARTZ
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12658 : green micaceous fragment
    Minerals: MICA
    Year: 1971
    Country: Congo (RDC)
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