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Gem trivia: Refractive Index (RI) measures how much light bends in a gem. High RI light bends more than low RI.
 WeightColorSpeciesShapeLengthWidthHeightCommentPrice 
Details 9.14Bi ColorQuartzRectangle14.910.08.2The "Smith Bar" is a variation on a classic cut that especially shows off bi color gems.$197.50