Uses of Minerals 3.3 Page 74 Gems • Gems or gemstones are highly prized minerals because they are rare and beautiful. • Many are cut a polished. Ores • Minerals come from rock that is mined. • Bauxite is a mineral that is the ore for aluminum. Waste Rock Removal • Many ore are obtained from large open pit mines. • This is damaging to the environm ent. Titanium • Light, durable, non-toxic metal. • Made from Illimenite and Rutile.