Product ID: 818709408
Product Name: Opal
Price : $36.53
Weight: 4.53
Jewelry Size: 12.8 x 11 x 7.2 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