Mineralogy Database

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4831 samples matching your criteria

  • Sample n°106 : massive, specular
    Minerals: HEMATITE
    Year: 1900
    Country: Congo (RDC)
  • Sample n°107 : quartz with malachite and azurite spots
    Minerals: AZURITE MALACHITE
    Year: 1900
    Country: Congo (RDC)
  • Sample n°109 : lamellae on quartz
    Minerals: HEMATITE
    Year: 1900
    Country: Congo (RDC)
  • Sample n°110 : fibrous plate
    Minerals: EPIDOTE
    Year: 1900
    Country: Congo (RDC)
  • Sample n°126 : prismatic crystals with pyramidal terminations, clear, white
    Minerals: QUARTZ
    Year: 1900
    Country: Congo (RDC)
  • Sample n°129 : hexagonal prisms, clear
    Minerals: QUARTZ
    Year: 1900
    Country: Congo (RDC)
  • Sample n°136 : botryoidal aggregates on ferruginous substrate
    Minerals: MALACHITE
    Year: 1900
    Country: Congo (RDC)
  • Sample n°137 : prisms, pyramidal terminations
    Minerals: QUARTZ
    Year: 1900
    Country: Congo (RDC)
  • Sample n°142 : pink block, prominent cleavage
    Minerals: MICROCLINE
    Year: 1900
    Country: Congo (RDC)
  • Sample n°143 : grey cleaved crystals
    Minerals: MICROCLINE BIOTITE
    Year: 1900
    Country: Congo (RDC)
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