Mineralogy Database

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101 samples matching your criteria

  • Sample n°11277 : massive impregnations in vein quartz
    Minerals: GOLD PYRITE
    Year: 1967
    Country: Congo (Congo-Brazzaville)
  • Sample n°11281 : clayey mass (mountain leather)
    Minerals: PALYGORSKITE MONTMORILLONITE
    Year: 1966
    Country: Congo (RDC)
  • Sample n°11708 : mountain leather (50 cm)
    Minerals: PALYGORSKITE CALCITE MONTMORILLONITE
    Year: 1968
    Country: Congo (RDC)
  • Sample n°13254 : blue mass with conchoidal fracture (quartz), yellow powder (mottramite)
    Minerals: MOTTRAMITE QUARTZ
    Year: 1975
    Country: Congo (RDC)
  • Sample n°13255 : pale green debris with conchoidal fracture
    Minerals: QUARTZ KATANGITE (plancheite)
    Year: 1975
    Country: Congo (RDC)
  • Sample n°13256 : dark brown earthy debris, lampadite
    Minerals: TENORITE ASBOLANE GOETHITE
    Year: 1975
    Country: Congo (RDC)
  • Sample n°13320 : sample with yellow sklodowskite needles, white metallic siegenite
    Minerals: SKLODOWSKITE MAGNESITE SIEGENITE URANINITE
    Year: 1975
    Country: Congo (RDC)
  • Sample n°16212 : quartz veins with abundant large tourmaline crystals
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°16214 : lava with abundant prismatic crystals
    Minerals: PYROXENE
    Year:
    Country: Rwanda
  • Sample n°16216 : well-developed crystals
    Minerals: AUGITE
    Year:
    Country: Rwanda
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