Mineralogy Database

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282 samples matching your criteria

  • Sample n°709 : fragmented black prismatic crystal
    Minerals: TOURMALINE QUARTZ
    Year: 1913
    Country: Congo (RDC)
  • Sample n°900 : black crystals (1 cm) in vein quartz
    Minerals: TOURMALINE HEMATITE
    Year: 1935
    Country: Burundi
  • Sample n°1007 : fragments (1-2 cm)
    Minerals: CASSITERITE QUARTZ TOURMALINE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°1026 : black crystals on quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1031 : in quartzite
    Minerals: TOURMALINE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1038 : black tourmaline in pegmatite
    Minerals: TOURMALINE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1040 : black tourmaline in pegmatite
    Minerals: TOURMALINE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1041 : black prismatic crystal in micaschist
    Minerals: TOURMALINE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1044 : altered apatite crystals in pegmatite
    Minerals: APATITE MUSCOVITE TOURMALINE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1095 : debris of black crystals (tourmaline), whie metallic material (bismuth)
    Minerals: TOURMALINE BISMUTH
    Year: 1938
    Country: Congo (RDC)
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