Mineralogy Database

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137 samples matching your criteria

  • Sample n°20265 : plate-shaped crystal, striated surface
    Minerals: COLUMBITE TANTALITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°20266 : crystal fragments, partly twinned
    Minerals: STAUROLITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°16016 : cassiterite crystal with abundant associated tourmaline
    Minerals: CASSITERITE TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°16147 : aligned crystals in pegmatite
    Minerals: SPODUMENE
    Year:
    Country: Congo (RDC)
  • Sample n°18643 : purplish grey bands
    Minerals: SPODUMENE
    Year:
    Country: Congo (RDC)
  • Sample n°16029 : concentrate, with chemical data
    Minerals: COLUMBITE TANTALITE
    Year:
    Country: Congo (RDC)
  • Sample n°20419 : white aggregates in biotite-rich matrix with long tourmaline crystals
    Minerals: BIOTITE FELDSPAR TOURMALINE
    Year: 2025
    Country: Congo (RDC)
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