Mineralogy Database

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29 samples matching your criteria

  • Sample n°11242 : debris of crystals
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°11253 : purple plates, palm-shaped patterns
    Minerals: LEPIDOLITE
    Year: 1955
    Country: Rwanda
  • Sample n°11546 : black crystals (5 cm) in pegmatite
    Minerals: SCHORL
    Year: 1968
    Country: Rwanda
  • Sample n°15787 : grey, blue (var. sapphire), one shaped sapphire (cabochon cut)
    Minerals: CORUNDUM
    Year:
    Country: Rwanda
  • Sample n°15977 : coating and partial infilling of fossil elephant tooth
    Minerals: VIVIANITE
    Year:
    Country: Rwanda
  • Sample n°16034 : well-developed cubic crystals in altered rock matrix
    Minerals: PYRITE ARSENOPYRITE
    Year:
    Country: Rwanda
  • Sample n°16219 : large cubic crystals, partly altered to iron oxides, in quartz mass
    Minerals: PYRITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°16220 : moulds of large euhedral calcite crystals in quartz vein
    Minerals: CALCITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°17017 : reddish zircon, purple corundum (var. sapphire)
    Minerals: CORUNDUM ZIRCON
    Year:
    Country: Rwanda