Product ID: 818711728
Product Name: Opal
Price : $221.94
Weight: 6.88
Jewelry Size: 17.9 x 11.1 x 7.4 Mm
Shape: Oval
Color: Multi Color
Clarity: Semi - Transparent
Luster: Good
Origin: Ethiopia
Treatment: Unheated
Crystal Structure: Amorphous
Hardness: 5.5 - 6.5
Specific Gravity: 2.15
Refractive Index: 1.42 - 1.43
Chemical: SiO2·nH2O