Product ID: 818714670
Product Name: Opal
Price : $8.90
Weight: 1.00
Jewelry Size: 7.7 x 7.1 x 4 Mm
Shape: Oval Cabochon
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