Product ID: 818709363
Product Name: Opal
Price : $5.87
Weight: 0.48
Jewelry Size: 7.9 x 4.9 x 2.9 Mm
Shape: Marquise 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