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