Mineralogy Database

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1477 samples matching your criteria

  • Sample n°9819 : black cubic crystals (1 cm) in vermiculite
    Minerals: LUESHITE
    Year: 1962
    Country: Congo (RDC)
  • Sample n°9820 : bright black metallic blocks
    Minerals: ILMENITE
    Year:
    Country: Congo (RDC)
  • Sample n°9821 : black granular magnetite
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°9825 : cleavage fragments (15 cm)
    Minerals: CALCITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°9835 : black plates (6 cm) in carbonatite gangue material
    Minerals: BIOTITE
    Year: 1962
    Country: Congo (RDC)
  • Sample n°9839 : carbonatite with black tourmaline
    Minerals: TOURMALINE CALCITE
    Year: 1962
    Country: Congo (RDC)
  • Sample n°9851 : sample with furongite as transparent pale yellow crystals, mundite as white plates and as crust of golden-yellow plates, moreauite as canary-yellow crystals/spheres and powder
    Minerals: FURONGITE MOREAUITE MUNDITE BERYL META-AUTUNITE
    Year:
    Country: Congo (RDC)
  • Sample n°9852 : sample with small veins of yellow phuralumite crystals, ranunculite as yellow crusts and nodules, white coeruleolactite, little columbite
    Minerals: PHURALUMITE RANUNCULITE COERULEOLACTITE COLUMBITE
    Year:
    Country: Congo (RDC)
  • Sample n°9853 : sample with various types of unidentified uraniferous minerals
    Minerals: COLUMBITE ZIRCON
    Year:
    Country: Congo (RDC)
  • Sample n°9854 : sample with greenish withe micaceous threadgoldite, greenish yellow mundite plates, yellow-green meta-autunite (strongly altered), little columbite
    Minerals: MUNDITE THREADGOLDITE BERYL COLUMBITE META-AUTUNITE
    Year:
    Country: Congo (RDC)
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