Product ID: 806011172
Product Name: Blue Sapphire
Price : $13.18
Weight: 3.26
Jewelry Size: 10.1 x 8.2 x 4.6 Mm
Shape: Oval
Color: Deep Blue
Clarity: Opaque
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