Product ID: 806161753
Product Name: Red Sapphire
Price : $10.99
Weight: 0.88
Jewelry Size: 2.2 x 1.4 Mm
Shape: Round
Color: Red
Clarity: VSI
Luster: Good
Origin: Tanzania
Treatment: Heated
Crystal Structure: Trigonal
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Hydrated silica. SiO2 nH2O