Product ID: 806006220
Product Name: Blue Sapphire
Price : $20.50
Weight: 0.63
Jewelry Size: 6.4 x 4.7 x 2.4 Mm
Shape: Oval
Color: Blue
Clarity: VSI
Luster: Good
Origin: Thailand
Treatment: Heated
Crystal Structure: Trigonal
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Al2O3, Aluminum Oxide