Mineralogy Database

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2583 samples matching your criteria

  • Sample n°1804 : massive black material in quartz
    Minerals:
    Year:
    Country: Congo (RDC)
  • Sample n°1805 : altered black plate-shaped crystals (10 cm)
    Minerals:
    Year:
    Country: Congo (RDC)
  • Sample n°1806 : massive mineralisation in quartz, with polished section
    Minerals:
    Year:
    Country: Congo (RDC)
  • Sample n°1807 : brown cassiterite concentrate (5 mm), black tantalite plates (2 cm), with polished section
    Minerals:
    Year:
    Country: Congo (RDC)
  • Sample n°1809 : tourmalinite fragment (6 cm)
    Minerals:
    Year:
    Country: Congo (RDC)
  • Sample n°1810 : gold in vein quartz
    Minerals:
    Year:
    Country: Congo (RDC)
  • Sample n°1811 : brown crystal in quartz
    Minerals:
    Year:
    Country: Congo (RDC)
  • Sample n°1813 : fine needles (1 cm) in quartz
    Minerals:
    Year:
    Country: Congo (RDC)
  • Sample n°1820 : crystal aggregates (1 cm) in vein quartz
    Minerals:
    Year:
    Country: Congo (RDC)
  • Sample n°1821 : coating (10 cm) on vein quartz
    Minerals:
    Year:
    Country: Congo (RDC)
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