Mineralogy Database

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251 samples matching your criteria

  • Sample n°978 : small fragments, yellow interior, blue-red exterior, with polished section
    Minerals: BORNITE CHALCOPYRITE GOETHITE PYRITE CHALCOCITE MALACHITE TENNANTITE
    Year: 1936
    Country: Congo (RDC)
  • Sample n°979 : blue to black, striated
    Minerals: CHALCOPYRITE SPHALERITE GALENA GOETHITE PYRITE RENIERITE TENNANTITE TETRAHEDRITE BORNITE CHALCOCITE
    Year: 1931
    Country: Congo (RDC)
  • Sample n°980 : small blue metallic fragments, with polished section
    Minerals: CHALCOPYRITE GOETHITE TETRADYMITE GALENA BORNITE CHALCOCITE RENIERITE SILVER SPHALERITE LINNAEITE TENNANTITE
    Year: 1931
    Country: Congo (RDC)
  • Sample n°995 : ferruginous substrate with chalcocite and malachite veins
    Minerals: CHALCOCITE MALACHITE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°1114 : oxidised material
    Minerals: CHALCOCITE MALACHITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1132 : bluish to red metallic block, with polished section
    Minerals: BORNITE CHALCOCITE CHALCOPYRITE GALENA RENIERITE SPHALERITE
    Year: 1946
    Country: Congo (RDC)
  • Sample n°1133 : small bluish to red samples, with polished section
    Minerals: RENIERITE CHALCOCITE BORNITE CHALCOPYRITE SPHALERITE GALENA PYRITE TENNANTITE
    Year:
    Country: Congo (RDC)
  • Sample n°1138 : bluish to red metallic samples, with polished section
    Minerals: BORNITE CHALCOCITE SPHALERITE CHALCOPYRITE GALENA RENIERITE
    Year:
    Country: Congo (RDC)
  • Sample n°1143 : mixed ore
    Minerals: CHALCOPYRITE CHALCOCITE
    Year: 1946
    Country: Congo (RDC)
  • Sample n°1156 : two small fragments with blue metallic lustre, with polished section
    Minerals: COVELLITE MALACHITE CHALCOCITE GOETHITE
    Year: 1946
    Country: Congo (RDC)
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