Product ID: 806141740
Product Name: Star Sapphire
Price : $5.80
Weight: 0.88
Jewelry Size: 6.6 x 5.4 x 2.3 Mm
Shape: Oval Cabochon
Color: Black
Clarity: Opaque
Luster: Good 6 Rays Star
Origin: Thailand
Treatment: Heated
Crystal Structure: Trigonal
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Al2O3, Aluminum