Product ID: 818726784
Product Name: Opal
Price : $31.82
Weight: 2.63
Jewelry Size: 14.8 x 8.5 x 2.4 Mm
Shape: Free Form Cabochon
Color: Multi Color
Clarity: Opaque
Luster: Good
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