Mineralogy Database

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8 samples matching your criteria

  • Sample n°1784 : rounded, amber-coloured
    Minerals: CHALCEDONY (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°1785 : pearls of copper ore and crosses (2 complete, 4 fragments)
    Minerals: COPPER
    Year:
    Country: Congo (RDC)
  • Sample n°13689 : black Mn-bearing laterite as hard layer
    Minerals: GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°14295 : rock with manganese mineralisation
    Minerals: MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
  • Sample n°14296 : mineralised conglomerate
    Minerals: MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
  • Sample n°17008 : vein in altered rock matrix
    Minerals: MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
  • Sample n°17010 : highly porous mass
    Minerals: MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
  • Sample n°20342 : large crystals with banded pattern, in polished sections
    Minerals: TEPHROITE
    Year: 2017
    Country: Congo (RDC)
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