Product ID: 818711508
Product Name: Opal
Price : $114.67
Weight: 4.74
Jewelry Size: 12.1 x 12.1 x 7.4 Mm
Shape: Round
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