Product ID: 806136007
Product Name: Star Sapphire
Price : $21.64
Weight: 4.81
Jewelry Size: 10.2 x 8 x 5.1 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