Mineralogy Database

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167 samples matching your criteria

  • Sample n°17273 : coating of reddish to colourless quartz
    Minerals: QUARTZ
    Year: 2016
    Country: Congo (RDC)
  • Sample n°17274 : coarse-crystalline coating
    Minerals: AZURITE
    Year: 2016
    Country: Congo (RDC)
  • Sample n°17275 : aggregate of gold extracted by amalgamation
    Minerals: GOLD
    Year: 2016
    Country: Congo (RDC)
  • Sample n°18554 : thick crust fragment
    Minerals: SMITHSONITE
    Year: 2018
    Country: Congo (RDC)
  • Sample n°18575 : coarse-crystalline cobalt-bearing calcite
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°15935 : green layered fragments, var. jasper
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°18682 : tabular fragment
    Minerals: BARYTE
    Year:
    Country: Tunisia
  • Sample n°18683 : intergrowth of coarse rhombohedral crystals
    Minerals: SIDERITE
    Year:
    Country: Tunisia
  • Sample n°18723 : well-developed crystal in matrix
    Minerals: CUPRITE
    Year: 2021
    Country: Congo (RDC)
  • Sample n°18913 : thin irregular coating, on RSC substrate
    Minerals: MALACHITE
    Year:
    Country: Congo (RDC)
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