Mineralogy Database

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29 samples matching your criteria

  • Sample n°386 : massive tourmaline within quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1913
    Country: Congo (RDC)
  • Sample n°387 : crust on black rock
    Minerals: CALCITE CHLORITE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°389 : black prismatic crystals (2 cm) in quartz debris
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°483 : purplish black breccious block
    Minerals: HEMATITE
    Year: 1922
    Country: Congo (RDC)
  • Sample n°513 : fibrous plate covered by bronze-coloured mica
    Minerals: SILLIMANITE PHLOGOPITE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°532 : mixed debris
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1913
    Country: Congo (RDC)
  • Sample n°534 : plate-shaped crystals in pegmatite
    Minerals: MUSCOVITE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°536 : black crystals in quartz fragments
    Minerals: TOURMALINE QUARTZ
    Year: 1913
    Country: Congo (RDC)
  • Sample n°560 : zoned block (pink, blue, yellow)
    Minerals: CHALCEDONY (quartz)
    Year: 1913
    Country: Congo (RDC)
  • Sample n°593 : gold-bearing quartz vein
    Minerals: QUARTZ GOLD
    Year: 1914
    Country: Congo (RDC)
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