Mineralogy Database

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282 samples matching your criteria

  • Sample n°1900 : concentrate (8 mm)
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°1902 : tourmalinite fragment (10 cm)
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°1904 : black fibrous block (7 cm)
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°1989 : heterogeneous fragment with green prismatic beryl crystals (var. emerald) and black tourmaline needles
    Minerals: BERYL QUARTZ TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°1990 : brown cassiterite crystals (3 cm), black tourmaline needles, pink prismatic beryl crystals (4 cm)
    Minerals: CASSITERITE TOURMALINE BERYL QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1991 : tin-bearing tourmalinite
    Minerals: TOURMALINE CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°1994 : debris of black prismatic crystals (2 cm) on quartz
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°2011 : shapeless debris
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2018 : groups of needles in altered pegmatite
    Minerals: TOURMALINE MUSCOVITE
    Year:
    Country: Congo (RDC)
  • Sample n°2019 : needles in quartz, thick veins in quartzite
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
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