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			November 23, 2009

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You are here : AllRefer.com > Reference > Encyclopedia > Mineralogy And Crystallography > gem, ornamental mineral or organic substance
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gem, ornamental mineral or organic substance, Mineralogy And Crystallography

Related Category: Mineralogy And Crystallography

gem, commonly, a mineral or organic substance, cut and polished and used as an ornament. Gems also are used as seals (items of assurance) and as talismans (good-luck charms). For birthstones, see month.

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