Product ID: 818719609
Product Name: Opal
Price : $6.06
Weight: 0.85
Jewelry Size: 7.1 x 5.2 x 2.9 Mm
Shape: Oval
Color: Multi Color
Clarity: Semi - Transparent
Luster: 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