Product ID: 806144223
Product Name: Blue Sapphire
Price : $11.73
Weight: 0.61
Jewelry Size: 5.9 x 4.3 x 2.8 Mm
Shape: Oval
Color: Greenish Blue
Clarity: SI
Luster: Good
Origin: Madagascar
Treatment: Heated
Crystal Structure: Trigonal
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Al2O3, Aluminum Oxide