Product ID: 806010307
Product Name: Blue Sapphire
Price : $225.99
Weight: 1.33
Jewelry Size: 6.91 x 8.41 x 2.83 Mm
Shape: Pear
Color: Blue
Clarity: SI1
Luster: Good
Origin: Thailand
Treatment: Unheated
Crystal Structure: Trigonal
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Al2O3, Aluminum Oxide