Product ID: 806009052
Product Name: Blue Sapphire
Price : $38.85
Weight: 2.74
Jewelry Size: 8.4 x 6.2 x 5.1 Mm
Shape: Oval Cabochon
Color: Blue
Clarity: Opaque
Luster: Good
Origin: Ceylon
Treatment: Heated
Crystal Structure: Trigonal
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Al2O3, Aluminum Oxide