Mineralogy Database

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124 samples matching your criteria

  • Sample n°15013 : green translucent fragment
    Minerals: TOURMALINE
    Year: 1987
    Country: Tanzania
  • 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°15012 : purple-blue translucent fragment, var. tanzanite
    Minerals: ZOISITE
    Year: 1987
    Country: Tanzania
  • Sample n°16328 : dark red corundum (var. ruby), in bright green zoisite matrix with dark hornblende (tschermakite)
    Minerals: CORUNDUM ZOISITE HORNBLENDE
    Year: 2010
    Country: Tanzania
  • Sample n°16333 : whitish to greenish-grey massive nodules
    Minerals: OPAL
    Year: 2010
    Country: Tanzania
  • Sample n°1130.2 : large sheets
    Minerals: PHLOGOPITE
    Year: 1920
    Country: Tanzania
  • Sample n°15014 : green transparent fragment
    Minerals: TOURMALINE
    Year: 1987
    Country: Tanzania
  • Sample n°15015 : green translucent fragment
    Minerals: TOURMALINE
    Year: 1987
    Country: Tanzania