Mineralogy Database

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1477 samples matching your criteria

  • Sample n°1987 : prismatic crystals (1 cm) in debris of grey schist
    Minerals: CORDIERITE
    Year:
    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°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°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°2010 : grey pebbles (2-4 cm) from alluvium, with polished section
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°2011 : shapeless debris
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
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