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Occasionally, MARBLEX has inventory that doesn’t quite fit into a specific category of stone. These materials are called minerals. 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. Sodalite, for example, is a combination of sodium and aluminum in varying concentrations.
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