Product ID: 818721053
Product Name: Opal
Price : $5.99
Weight: 0.41
Jewelry Size: 5.7 x 4.4 x 2.3 Mm
Shape: Free Form Cabochon
Color: Multi Color
Clarity: Opaque
Luster: Strong Iridescent
Origin: Australia
Treatment: Unheated / Untreated
Crystal Structure: Amorphous
Hardness: 5.5 - 6.5
Specific Gravity: 2.15
Refractive Index: 1.42 - 1.43
Chemical: SiO2·nH2O