Mineralogy Database

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124 samples matching your criteria

  • Sample n°15016 : green transparent fragment
    Minerals: TOURMALINE
    Year: 1987
    Country: Tanzania
  • Sample n°15017 : blue transparent fragment
    Minerals: KYANITE
    Year: 1987
    Country: Tanzania
  • Sample n°17026 : corundum (var. ruby) in green matrix
    Minerals: AMPHIBOLE CORUNDUM ZOISITE
    Year:
    Country: Tanzania
  • Sample n°17030 : coarse-crystalline block
    Minerals: DOLOMITE
    Year:
    Country: Tanzania
  • Sample n°17031 : feldspar-rich gneiss with abundant graphite
    Minerals: GRAPHITE
    Year:
    Country: Tanzania
  • Sample n°18467 : fragments, var. tanzanite
    Minerals: ZOISITE
    Year: 2017
    Country: Tanzania
  • Sample n°18468 : corundum (var. ruby) in rock matrix
    Minerals: CORUNDUM
    Year: 2017
    Country: Tanzania
  • Sample n°14541 : reddish orange translucent fragment, var sapphire (padparadascha)
    Minerals: CORUNDUM
    Year: 1990
    Country: Tanzania
  • Sample n°14542 : reddish orange transparent cut stone (round cabochon cut), var sapphire (padparadascha)
    Minerals: CORUNDUM
    Year: 1990
    Country: Tanzania
  • Sample n°14543 : purple translucent fragment, var. sapphire
    Minerals: CORUNDUM
    Year: 1990
    Country: Tanzania
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