6.40 Ct. Oval Shape Natural Multi Color Opal Sudan Gem
Price: $186.99
Product ID: 818707337
Product Name: Opal
Price : $186.99
Weight: 6.40
Jewelry Size: 17.9 x 12.5 x 6.6 Mm
Shape: Oval
Color: Multi Color
Clarity: VVS - SI
Luster: Iridescent
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