Product ID: 818711337
Product Name: Opal
Price : $7.90
Weight: 0.98
Jewelry Size: 7.9 x 7 x 4.7 Mm
Shape: Oval Cabochon
Color: Multi Color
Clarity: Opaque
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