Mineralogy Database

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7938 samples matching your criteria

  • Sample n°1389 : black twinned crystal (6 cm)
    Minerals: CASSITERITE
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1390 : debris
    Minerals: CASSITERITE
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1393 : cassiterite crystals (0.1-3 cm) in micaschist
    Minerals: CASSITERITE QUARTZ
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1400 : discontinuous vein in vein quartz
    Minerals: CASSITERITE QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1403 : crystal (cm) in vein quartz
    Minerals: RUTILE QUARTZ
    Year: 1939
    Country: Congo (RDC)
  • Sample n°1404 : debris of red primatic crystals and quartz (amethyst) (3 cm)
    Minerals: AMETHYST (quartz)
    Year: 1946
    Country: Congo (RDC)
  • Sample n°1406 : concretionary chalcedony
    Minerals: CHALCEDONY (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°1407 : nice banded concretion
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1410 : coarse-grained calcite-fluorite vein in limestone
    Minerals: CALCITE FLUORITE
    Year:
    Country: Congo (RDC)
  • Sample n°1411 : fibro-radial stalactites (goethite) and malachite crystals
    Minerals: GOETHITE MALACHITE
    Year:
    Country: Congo (RDC)
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