Product ID: 818711747
Product Name: Opal
Price : $211.94
Weight: 6.57
Jewelry Size: 15.1 x 12.2 x 8.7 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