Product ID: 818727193
Product Name: Opal
Price : $7.68
Weight: 0.85
Jewelry Size: 8 x 6 x 3.3 Mm
Shape: Octagon
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