Unheated 4.25 Ct. Oval Natural Multi Color Opal Sudan
Price: $34.27
Product ID: 818711117
Product Name: Opal
Price : $34.27
Weight: 4.25
Jewelry Size: 12.4 x 9.9 x 8.3 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