Product ID: 806004922
Product Name: Blue Sapphire
Price : $138.67
Weight: 1.77
Jewelry Size: 7.7 x 6.9 x 3.5 Mm
Shape: Cushion
Color: Blue
Clarity: SI
Luster: Good
Origin: Bangkaja, Thailand
Treatment: Unheated
Crystal Structure: Trigonal
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Al2O3, Aluminum Oxide