Product ID: 818722327
Product Name: Opal
Price : $31.95
Weight: 3.44
Jewelry Size: 12 x 9.4 x 6.8 Mm
Shape: Oval Cabochon
Color: Multi Color
Clarity: Semi - Transparent
Luster: Strong Iridescent
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