Mineralogy Database

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7938 samples matching your criteria

  • Sample n°3645 : spots in gold-bearing quartz
    Minerals: CHALCOPYRITE PYRITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3647 : thick vein in quartz
    Minerals: SPHALERITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3648 : block (10 cm)
    Minerals: GALENA
    Year:
    Country: Congo (RDC)
  • Sample n°3649 : crystalline coating (1 cm) in vein quartz
    Minerals: ARSENOPYRITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3650 : black prismatic crystals (2 cm) and needles in pegmatite
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°3651 : vein in sandstone
    Minerals: CASSITERITE PYRITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3652 : white sulfides, green actinolite fibres, round garnet crystals, in rock with quartz and amphiboles
    Minerals: ACTINOLITE ARSENOPYRITE GARNET
    Year:
    Country: Congo (RDC)
  • Sample n°3653 : ferruginous block (9 cm)
    Minerals: BISMUTH
    Year:
    Country: Congo (RDC)
  • Sample n°3654 : specular crystals on quartz
    Minerals: HEMATITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3655 : white crust and nodules on basalt
    Minerals: MESOLITE
    Year:
    Country: Congo (RDC)
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