Product ID: 818710838
Product Name: Opal
Price : $37.55
Weight: 1.94
Jewelry Size: 8.9 x 7.9 x 5.2 Mm
Shape: Octagon
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