Mineralogy Database

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78 samples matching your criteria

  • Sample n°15783 : small fragment with thin white coating, fluorescent
    Minerals: SCHEELITE
    Year:
    Country: USA
  • Sample n°15784 : massive, with waxy lustre (var. hyalite)
    Minerals: OPAL
    Year:
    Country: USA
  • Sample n°15785.1 : chrysoprase in quartzite with associated magnesite
    Minerals: QUARTZ
    Year:
    Country: Tanzania
  • Sample n°15785.2 : crystals, var. ruby
    Minerals: CORUNDUM
    Year:
    Country: Tanzania
  • Sample n°15785.3 : tanzanite in graphitic gangue material
    Minerals: ZOISITE
    Year:
    Country: Tanzania
  • Sample n°15786 : well-developed crystals
    Minerals: ZIRCON
    Year:
    Country: Burundi
  • Sample n°15787 : grey, blue (var. sapphire), one shaped sapphire (cabochon cut)
    Minerals: CORUNDUM
    Year:
    Country: Rwanda
  • Sample n°15788 : large plate-shaped albite crystals, covered by small to large tourmaline crystals
    Minerals: ALBITE TOURMALINE
    Year:
    Country: Brazil
  • Sample n°15789 : xenolith and single crystal
    Minerals: OLIVINE
    Year:
    Country: Egypt
  • Sample n°15790 : hexagonal crystal, var. emerald
    Minerals: BERYL
    Year:
    Country: Zambia
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