 © De Ferranti 2008. All Rights Reserved |
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Glossary: M Mineral A mineral is a naturally occurring substance formed through geological processes that has a characteristic chemical composition, a highly ordered atomic structure and specific physical properties. A rock, by comparison, is an aggregate of minerals and need not have a specific chemical composition. Minerals range in composition from pure elements and simple salts to very complex silicates with thousands of known forms. The study of minerals is called mineralogy. 
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© De Ferranti 2008. All Rights Reserved |