Mineralogy Database

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115 samples matching your criteria

  • Sample n°20146 : large crystal, var. sapphire
    Minerals: CORUNDUM
    Year: 2023
    Country: Madagascar
  • Sample n°20180 : fragments, var. ruby
    Minerals: CORUNDUM
    Year: 2023
    Country: Guinea
  • Sample n°20318 : grains, var. sapphire
    Minerals: CORUNDUM
    Year: 2017
    Country: Congo (RDC)
  • Sample n°20333 : fragments, from alluvial deposits
    Minerals: CORUNDUM
    Year: 2017
    Country: Congo (RDC)
  • Sample n°20364 : fragments, var. ruby
    Minerals: CORUNDUM
    Year:
    Country: Unknown
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