0.55 Ct. 6.3 Mm Natural Multi Color Opal Sudan Unheated
Price: $8.87
Product ID: 818711319
Product Name: Opal
Price : $8.87
Weight: 0.55
Jewelry Size: 6.3 x 6.3 x 2.8 Mm
Shape: Round Cabochon
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