Mineralogy Database

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190 samples matching your criteria

  • Sample n°1968 : yellow stalactites (7 cm)
    Minerals: GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°1969 : red debris (1 cm)
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°1970 : granular block (10 cm)
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°1973 : black vein in vein quartz
    Minerals: SPHALERITE
    Year:
    Country: Congo (RDC)
  • Sample n°1981 : debris of crystals
    Minerals: THOREAULITE MUSCOVITE
    Year:
    Country: Congo (RDC)
  • Sample n°1984 : fine concentrate
    Minerals: COLUMBITE TANTALITE WOLFRAMITE
    Year:
    Country: Congo (RDC)
  • Sample n°1986 : crystals (1 cm) and chert
    Minerals: PYRITE QUARTZ
    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°1991 : tin-bearing tourmalinite
    Minerals: TOURMALINE CASSITERITE
    Year:
    Country: Congo (RDC)
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