Product ID: 806004564
Product Name: Blue Sapphire
Price : $8.35
Weight: 0.45
Jewelry Size: 6 x 4.3 x 2.3 Mm
Shape: Pear
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