Minerals
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(Created page with "Minerals are natural occurring, inorganic materials of consistent chemical composition. Usually their atoms are arranged in a definite crystal structure. Most [[Gemstones|gemston...")
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(Created page with "Minerals are natural occurring, inorganic materials of consistent chemical composition. Usually their atoms are arranged in a definite crystal structure. Most [[Gemstones|gemston...")
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Revision as of 14:33, 1 August 2013
Minerals are natural occurring, inorganic materials of consistent chemical composition. Usually their atoms are arranged in a definite crystal structure. Most gemstones are minerals.
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