Product ID: 806005674
Product Name: Blue Sapphire
Price : $312.79
Weight: 1.57
Jewelry Size: 7.26 x 6.18 x 3.76 Mm
Shape: Oval
Color: Blue
Clarity: SI
Luster: Good
Origin: Nigeria
Treatment: Heated
Crystal Structure: Trigonal
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Al2O3, Aluminum Oxide