Minerals
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| − | Minerals are natural occurring, inorganic materials of consistent chemical composition. Usually their atoms are arranged in a definite crystal structure. Most [[Gemstones|gemstones]] are minerals. | + | Minerals are natural occurring, inorganic materials of consistent chemical composition. Usually their atoms are arranged in a definite crystal structure. Most [[Gemstones|gemstones]] are minerals. Since they have a uniform chemical composition each mineral has consistent set of physical and optical properties. |
[[Category:Gemology]] | [[Category:Gemology]] | ||
Revision as of 14:37, 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. Since they have a uniform chemical composition each mineral has consistent set of physical and optical properties.