Mineralogy Database

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12 samples matching your criteria

  • Sample n°1118 : elephant tooth partially transformed to blue vivianite
    Minerals: VIVIANITE
    Year: 1940
    Country: Congo (RDC)
  • Sample n°1988 : blue reniform rounded block (12 cm) and flat fragment (7 cm)
    Minerals: SILLIMANITE
    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°1993 : green prismatic crystals in vein quartz
    Minerals: ELBAITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1994 : debris of black prismatic crystals (2 cm) on quartz
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°1995 : prismatic crystals with two or three colours (1-5 cm), var. rubellite, var. achroite
    Minerals: ELBAITE
    Year:
    Country: Congo (RDC)
  • Sample n°17754 : dark green crystals in rock matrix
    Minerals: BERYL
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17755 : black crystals in rock matrix
    Minerals: TOURMALINE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17756 : green crystals in rock matrix
    Minerals: TOURMALINE
    Year: 2017
    Country: Congo (RDC)
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