Unheated 7.79 Ct. Oval Natural Multi Color Opal Sudan
Price: $188.46
Product ID: 818711497
Product Name: Opal
Price : $188.46
Weight: 7.79
Jewelry Size: 15.7 x 12.2 x 9.7 Mm
Shape: Oval
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