Unheated 3.96 Ct. Natural Multi Color Opal Sudan Gem
Price: $31.90
Product ID: 818710565
Product Name: Opal
Price : $31.90
Weight: 3.96
Jewelry Size: 12.5 x 10.5 x 7.3 Mm
Shape: Oval
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