Product ID: 818723056
Product Name: Opal
Price : $39.99
Weight: 6.10
Jewelry Size: 12.5 x 12.1 x 4.4 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