Product ID: 806150332
Product Name: Blue Sapphire
Price : $5.99
Weight: 0.60
Jewelry Size: 6.3 x 4.5 x 2.9 Mm
Shape: Octagon
Color: Blue
Clarity: SI
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