Product ID: 818726050
Product Name: Opal
Price : $6.90
Weight: 0.44
Jewelry Size: 9.7 x 4.5 x 2.9 Mm
Shape: Marquise
Color: Multi Color
Clarity: Semi - Transparent
Luster: Strong 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