3.73 Ct. Natural Multi Color Doublet Opal Australia Free Form Cabochon
Price: $66.42
Product ID: 818726972
Product Name: Opal
Price : $66.42
Weight: 3.73
Jewelry Size: 19.4 x 8.3 x 2.5 Mm
Shape: Free Form Cabochon
Color: Multi-Color
Clarity: Opaque
Luster: Good
Origin: Australia
Treatment: Unheated / Untreated
Crystal Structure: Amorphous
Hardness: 5.5 - 6.5
Specific Gravity: 2.15
Refractive Index: 1.42 - 1.43
Chemical: SiO2·nH2O