Granite: This Igneous rock can be used to make counter tops it is a building stone. It is intrusive and is a felsic type of rock.
Basalt: Basalt is an extrusive igneous rock. Crushed basalt is used for railroad ballast.
Gypsum:Processed gypsum is used in industrial or building plaster, prefabricated wallboard, cement manufacture, and for agriculture.
Graphite:Graphite is the crystal form of carbon. It is used as a dry lubricant and steel hardener and for brake linings and the production of "lead" in pencils.
Copper:Copper is used in electric cables and wires, switches, plumbing; heating, electrical, and roofing materials; electronic components; industrial machinery and equipment; transportation; consumer and general products; coins; and jewelry.
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