Mineralogy Database

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223 samples matching your criteria

  • Sample n°33 : block (5 cm), specular
    Minerals: SPHALERITE
    Year: 1897
    Country: Congo (Congo-Brazzaville)
  • Sample n°666 : black mass, with polished section
    Minerals: BORNITE CHALCOCITE SPHALERITE CHALCOPYRITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°753 : black and specular brown layer on limestone
    Minerals: SPHALERITE
    Year:
    Country: Congo (RDC)
  • Sample n°977 : nice blue to red block
    Minerals: SPHALERITE BORNITE CHALCOCITE MALACHITE
    Year:
    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°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°1188 : dark brown to yellow, metallic, with polished section
    Minerals: SPHALERITE CHALCOPYRITE TENNANTITE
    Year:
    Country: Congo (RDC)
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