Mineralogy Database

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141 samples matching your criteria

  • Sample n°1024 : clear fragment and rounded crystals
    Minerals: QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1025 : kyanite-bearing metamorphic rock altered to talc
    Minerals: TALC
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1026 : black crystals on quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1027 : well-developed light to dark blue crystals (2 cm)
    Minerals: KYANITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1028 : rock with crust of light blue tabular crystals
    Minerals: KYANITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1029 : massive
    Minerals: SILLIMANITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1031 : in quartzite
    Minerals: TOURMALINE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1032 : concretion
    Minerals: GOETHITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1033 : rounded fragment
    Minerals: EPIDOTE HORNBLENDE FELDSPAR QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1034 : in pegmatite
    Minerals: QUARTZ
    Year: 1938
    Country: Congo (RDC)
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