Surf these sites: Diamonds in the Rough -- Kid-friendly exercises and information about diamonds. Geology 311 -- Course materials for a university mineralogy class. Mineral Matters -- Information and exercises about minerals from the San Diego Museum of Natural History Mineralogy Database -- Complete mineral database with tables by crystallography, X-Ray Diffraction, chemistry, Dana classification, Strunz classification, determinative mineralogy, mineral pictures, and alphabetized listing. Minerals and Metals -- Information and excercises from the Canadas Natural Resource Division
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