Mineralogy Database

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180 samples matching your criteria

  • Sample n°15818 : purplish calcite with clusters of dioptase crystals
    Minerals: DIOPTASE CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°15885 : coarse-crystalline cobalt-bearing calcite, fine-grained plancheite
    Minerals: CALCITE PLANCHEITE
    Year:
    Country: Congo (RDC)
  • Sample n°15888 : layered green coatings, coarse-crystalline calcite infillings
    Minerals: MALACHITE CALCITE CHRYSOCOLLA PLANCHEITE
    Year:
    Country: Congo (RDC)
  • Sample n°15902 : coating of large dioptase crystals
    Minerals: DIOPTASE
    Year:
    Country: Congo (RDC)
  • Sample n°13766 : coating of well-developed crystals on irregular substrate
    Minerals: DIOPTASE
    Year: 1980
    Country: Congo (RDC)
  • Sample n°13776 : colourless to deep purple (cobalt-bearing) calcite
    Minerals: CALCITE
    Year: 1980
    Country: Congo (RDC)
  • Sample n°16286 : massive, with trigonal patterns
    Minerals: DIOPTASE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16875 : stalactitic goethite, with parallel strings composed of acicular crystals, radial around central axis
    Minerals: GOETHITE
    Year: 2012
    Country: Congo (RDC)
  • Sample n°17153 : pseudomorphs after calcite crystals
    Minerals: DIOPTASE PLANCHEITE
    Year: 2011
    Country: Congo (RDC)
  • Sample n°17366 : fibro-radial plancheite covered by quartz
    Minerals: PLANCHEITE QUARTZ
    Year: 2016
    Country: Congo (RDC)
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