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girasol (JIR-uh-sol, JIR-uh-sawl) - n., an opal that exhibits a bluish glow or sheen that follows the light source around.
Sometimes -- and per gemstone experts incorrectly -- defined as a synonym of fire opal, which has reddish-and-similar iridescence. Also, though this is more commonly spelled girasole, a type of North American sunflower (Helianthus tuberosus) cultivated for its edible tubers, also called Jerusalem artichoke. From Italian girasole, from girare, to rotate + sole, sun.
---L.
Sometimes -- and per gemstone experts incorrectly -- defined as a synonym of fire opal, which has reddish-and-similar iridescence. Also, though this is more commonly spelled girasole, a type of North American sunflower (Helianthus tuberosus) cultivated for its edible tubers, also called Jerusalem artichoke. From Italian girasole, from girare, to rotate + sole, sun.
---L.
