Mineralogy Database

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49 samples matching your criteria

  • Sample n°1742 : pink block with prominent cleavage (4 cm)
    Minerals: FELDSPAR
    Year:
    Country: Congo (RDC)
  • Sample n°1876 : white tabular crystals (5 cm)
    Minerals: FELDSPAR
    Year:
    Country: Congo (RDC)
  • Sample n°2508 : pegmatite with abundant tourmaline
    Minerals: TOURMALINE FELDSPAR QUARTZ
    Year:
    Country: Unknown
  • Sample n°4331 : black crystals in feldspar-rich rock
    Minerals: CASSITERITE FELDSPAR
    Year:
    Country: Unknown
  • Sample n°4794 : white block, prominent cleavage
    Minerals: FELDSPAR
    Year:
    Country: Rwanda
  • Sample n°5824 : pegmatite
    Minerals: MUSCOVITE FELDSPAR
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5875 : pink blocks with prominent cleavage (4 cm)
    Minerals: FELDSPAR
    Year: 1956
    Country: Rwanda
  • Sample n°5946.1 : crust of dark green and pink crystals on carbonatite
    Minerals: AEGIRINE FELDSPAR
    Year:
    Country: Congo (RDC)
  • Sample n°8810 : white block (7 cm)
    Minerals: MUSCOVITE FELDSPAR
    Year: 1960
    Country: Rwanda
  • Sample n°8922 : white-pink block (15 cm)
    Minerals: FELDSPAR
    Year: 1961
    Country: Rwanda
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