Mineralogy Database

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45 samples matching your criteria

  • Sample n°18382 : blue ground
    Minerals: unspecified
    Year: 2017
    Country: Congo (RDC)
  • Sample n°18383 : dolomite with aligned elongated cavities formed by dissolution of sullfides
    Minerals: DOLOMITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°18690 : purple patches in chromiferous serpentinite
    Minerals: STICHTITE
    Year:
    Country: Morocco
  • Sample n°19315 : dark blue fragments, including hexagonal forms, var. sapphire
    Minerals: CORUNDUM
    Year: 2020
    Country: Congo (RDC)
  • Sample n°19323 : concentrate
    Minerals: HERCYNITE
    Year: 2020
    Country: Congo (RDC)
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