Rocks, Minerals and Fossils

Year Published: 1980

Creator: Barr Films.

Complete Record: Explains that minerals are natural, inorganic, have definite chemical composition, and distinguishable physical properties... color, streak, luster, hardness, density, cleavage, and fracture. Explains that practically everything around him is made from rocks and mineral ... buildings, cars, and parts in portable cassette stereo for examples. Explains that rocks are made up of one or more minerals and classified in one of three ways according to how they are made .. igneous rock, sedimentary rock, or metamorphic rock.


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