Mineralogy Database

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1091 samples matching your criteria

  • Sample n°1313 : aggregates in quartz
    Minerals: GOLD QUARTZ
    Year: 1934
    Country: Congo (RDC)
  • Sample n°1331 : striated prismatic crystals in pegmatite
    Minerals: TOURMALINE FELDSPAR QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1352 : crust of dark prismatic crystals (2 cm)
    Minerals: QUARTZ
    Year: 1939
    Country: Congo (RDC)
  • Sample n°1357 : two bronze-coloured crystals (1 cm) in vein quartz with mica
    Minerals: PYRRHOTITE MICA QUARTZ
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1363 : black crystalline coating on vein quartz (20 cm)
    Minerals: CASSITERITE MUSCOVITE QUARTZ
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1364 : broken crystal (3 cm) in vein quartz
    Minerals: CASSITERITE QUARTZ
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1387 : black spots (5 mm) on yellow quartz
    Minerals: CASSITERITE QUARTZ
    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)
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