Extraterrestrial rocks and olivine nodule(b)
TellurobismutiteTellurides associated with gold mineralization(b,d,e)
TennantitePorphyry-style tin-tungsten-molybdenum ores(f)
Massive sulphides within ophiolites(f)
TetradymiteTellurides associated with gold mineralization(a-d)
TetrahedriteTetrahedrite-tennantite-bearing copper-silver mineralization(d-f)
Mississippi Valley-style lead-zinc deposits(c)
Tetrahedrite, groupPolishing characteristics and problems(c)
Massive volcanogenic sulphides(c,f)
Tetrahedrite-tennantite-bearing copper-silver mineralization(a-c)
Metamorphosed lead-zinc ores(d-f)
ThoriteTin-niobium mineralization in granites(e)
Cassiterite, zircon and thorites in greisenized granite(a-e)
ThucholiteIlmenite and magnetite in basalts and dolerites(a,b)
Altered iron-titanium oxides in alkali olivine basalt(d-f)
Unmineralized intermediate rocks(b)
Clay ironstones and oolitic iron ores(f)
Iron formations and bauxite(f)
Carbonate-hosted base-metal mineralization(c)
Non-mineralized metamorphic rocks(b-d)
TodorokiteThe effects of tarnishing and carbon coating(b,c)
Porphyry copper and molybdenum ores(a,b)
Arsenopyrite-bearing associations(a)
TroiliteExtraterrestrial rocks and olivine nodule(a,b,c)