Unheated 4.12 Ct. Good Gemstone Oval Cabochon Natural Multi Color Opal
Price: $83.05
Product ID: 818708391
Product Name: Opal
Price : $83.05
Weight: 4.12
Jewelry Size: 13 x 9.8 x 6.8 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