Product ID: 806010395
Product Name: Blue Sapphire
Price : $51.41
Weight: 11.95
Jewelry Size: 15.6 x 12.4 x 7 Mm
Shape: Oval
Color: Blue
Clarity: Semi - Transparent
Luster: Good
Origin: Madagascar
Treatment: Heated (Lead-glass filling)
Crystal Structure: Trigonal
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Al2O3, Aluminum Oxide