Mineralogy Database

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49 samples matching your criteria

  • Sample n°81 : massive in graphic pegmatite
    Minerals: FELDSPAR
    Year: 1900
    Country: Congo (RDC)
  • Sample n°257 : rock with feldspar
    Minerals: FELDSPAR
    Year: 1901
    Country: Congo (RDC)
  • Sample n°804 : large biotite crystals
    Minerals: BIOTITE FELDSPAR
    Year: 1930
    Country: Congo (RDC)
  • Sample n°852 : red crystals (feldspar), green plates (biotite)
    Minerals: BIOTITE FELDSPAR
    Year:
    Country: Congo (RDC)
  • Sample n°983 : smoky quartz
    Minerals: QUARTZ FELDSPAR
    Year: 1937
    Country: Congo (RDC)
  • Sample n°1033 : rounded fragment
    Minerals: EPIDOTE HORNBLENDE FELDSPAR QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1036 : reworked
    Minerals: EPIDOTE FELDSPAR QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1331 : striated prismatic crystals in pegmatite
    Minerals: TOURMALINE FELDSPAR QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1368 : purple crystals on feldsparbearing rock
    Minerals: FLUORITE FELDSPAR
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1728 : no description available
    Minerals: FELDSPAR
    Year:
    Country: Congo (RDC)