Mineralogy Database

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1547 samples matching your criteria

  • Sample n°15968 : well-developed prismatic crystal
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°15977 : coating and partial infilling of fossil elephant tooth
    Minerals: VIVIANITE
    Year:
    Country: Rwanda
  • Sample n°15943 : large single crystal (5 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°16034 : well-developed cubic crystals in altered rock matrix
    Minerals: PYRITE ARSENOPYRITE
    Year:
    Country: Rwanda
  • Sample n°16212 : quartz veins with abundant large tourmaline crystals
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°16214 : lava with abundant prismatic crystals
    Minerals: PYROXENE
    Year:
    Country: Rwanda
  • Sample n°16216 : well-developed crystals
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°16217 : well-developed crystals
    Minerals: AUGITE
    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
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