Mineralogy Database

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2 samples matching your criteria

  • 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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