Color Change Sapphire
GIA 7.56 ct. natural color change sapphire and diamond ring
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Variety: Color Change Sapphire
Species: Corundum Mohs Hardness: 9 out of 10 Color: Incandescent Lighting - Pinkish brown, brownish pink and purple. Fluorescent Lighting - Yellowish brown, grayish blue or grayish violet. RI: 1.762 to 1.770 (+0.009 / -0.005) Birefringence: 0.008 to 0.010 SR/DR/AGG: DR Clarity Type: Type II Optic Character: Uniaxial negative Pleochroism: Varies Fluorescence: Generally inert SG: 4.00 (+0.10 / -0.05) Routine Treatments: Heating Additional Enhancements: N/A |
