Mineralogy Database

Search |  About the mineralogy database |  Contact

953 samples matching your criteria

  • Sample n°9126.1 : grey fragments (3 cm)
    Minerals: CASSITERITE
    Year: 1962
    Country: Rwanda
  • Sample n°9126.2 : vitreous concentrate (7 mm)
    Minerals: TOPAZ
    Year:
    Country: Rwanda
  • Sample n°9127 : bright black twinned crystals (1-3 cm), with polished section
    Minerals: CASSITERITE
    Year: 1962
    Country: Rwanda
  • Sample n°9128 : black scoriaceous mass (4 cm)
    Minerals: FERBERITE KAOLINITE
    Year: 1962
    Country: Rwanda
  • Sample n°9129 : bright black tabular crystals (3 cm)
    Minerals: WOLFRAMITE
    Year: 1962
    Country: Rwanda
  • Sample n°9132 : pale green blocks with saccharoidal texture (8-15 cm), var. oncosine
    Minerals: MUSCOVITE
    Year: 1962
    Country: Rwanda
  • Sample n°9133 : stony prismatic crystal (4 cm)
    Minerals: BERYL
    Year: 1962
    Country: Rwanda
  • Sample n°9134 : stony prismatic crystals (1-6 cm)
    Minerals: BERYL
    Year: 1962
    Country: Rwanda
  • Sample n°9136 : broken white stony prismatic crystal (4 cm)
    Minerals: BERYL
    Year: 1962
    Country: Rwanda
  • Sample n°9139 : emerald-like prismatic crystals (5 cm)
    Minerals: BERYL
    Year: 1962
    Country: Rwanda
Previous page