Sapphire Weight: 3.95 CT. Size: 11.5x9 mm Shape: Pear Shape Cut Color: Bright Pinkish Orange Clarity: Slight Inclusion Luster: Blazing Origin: Africa Hardness: 9 Specific Gravity: 3.9 - 4.1 Refractive Index: 1.76 - 1.78 Chemical Composition: Al2O3, Aluminum Oxide Crystal Structure: Trigonal
