Mineralogy Database

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282 samples matching your criteria

  • Sample n°12669 : block of black ferberite crystals, small white pyrochlore crystals with square faces
    Minerals: FERBERITE PYROCHLORE QUARTZ TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12692 : coating of interlocking needles on schist
    Minerals: TOURMALINE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12720 : black prismatic crystals in pegmatite
    Minerals: TOURMALINE QUARTZ
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12738 : black needles and white crystals (mm) in schist along contact with pegmatite
    Minerals: TOURMALINE SPODUMENE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12759 : fibrous aggregates of pale green quartz and white tourmaline (15 cm)
    Minerals: QUARTZ TOURMALINE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12767 : black tourmalinite, altered to ferruginous material
    Minerals: TOURMALINE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12776 : layer of black needles in pink quartzite
    Minerals: TOURMALINE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12805 : rock with pink mica (lepidolite), graphic intergrowth of black and pink material
    Minerals: LEPIDOLITE SPODUMENE TOURMALINE
    Year: 1972
    Country: South Africa
  • Sample n°12828 : black broken crystals in vein quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12875 : debris
    Minerals: CASSITERITE TOURMALINE
    Year: 1972
    Country: Congo (RDC)
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