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| kyanite [ k ə nīt ] or cyanite [ s ə nīt ] |
noun |
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| Definition: |
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blue mineral: a bluish aluminosilicate mineral found as thin-bladed crystals or in masses. Source: metamorphic rocks. Use: gems, refractory.
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| [Late 18th century. < Greek kuan(e)os 'dark blue'] |
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