Uraninite Brookite Spinel Rutile
Brookite Corundum Pyrolusite Rutile
Hematite Corundum Chalcedony Quartz
Wad Opal Quartz Samarskite
Hematite Corundum Spinel Chalcedony
Wad Chalcedony Brookite Samarskite
Magnetite Chromite Franklinite Cuprite
Uraninite Spinel Hematite Rutile
Aluminium Oxide Galena Iron Oxide Silicon Dioxide