Mineralogy Database

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7938 samples matching your criteria

  • Sample n°110 : fibrous plate
    Minerals: EPIDOTE
    Year: 1900
    Country: Congo (RDC)
  • Sample n°122 : massive red material
    Minerals: HEMATITE
    Year: 1898
    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°140 : white crystals, 7/12 cm
    Minerals: QUARTZ
    Year: 1900
    Country: Congo (RDC)
  • Sample n°141 : clear prisms, 3/5 cm
    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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