Mineralogy Database

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853 samples matching your criteria

  • Sample n°4739 : sample with massive curite, some amber-coloured becquerelite crystals
    Minerals: CURITE BECQUERELITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4742 : crust of bright black crystals (1 cm) on rock substrate
    Minerals: CASSITERITE ARSENOPYRITE TOPAZ
    Year: 1954
    Country: United Kingdom
  • Sample n°4812 : black mass and layers in quartz
    Minerals: WOLFRAMITE
    Year: 1954
    Country: United Kingdom
  • Sample n°6631 : scoriaceous plate (7 cm)
    Minerals: COPPER
    Year: 1954
    Country: USA
  • Sample n°6632 : scoriaceous block (10 cm)
    Minerals: COPPER CALCITE
    Year: 1954
    Country: USA
  • Sample n°6633 : bronze-coloured metallic block (5 cm)
    Minerals: COPPER
    Year: 1954
    Country: USA
  • Sample n°6634 : metallic powder
    Minerals: PLATINUM
    Year:
    Country: Unknown
  • Sample n°6635 : black reniform vein in block (7 cm)
    Minerals: ARSENIC
    Year: 1954
    Country: Slovakia
  • Sample n°6636 : metallic crystalline crust (4 cm)
    Minerals: STIBARSEN
    Year: 1954
    Country: France
  • Sample n°6637 : twinned crystal in cavity (1 cm)
    Minerals: STIBNITE
    Year:
    Country: Unknown
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