Origin: Queensland, Australia
Opal Type: Solid Black Opal
Shape: Long Oval Cabochon
Color: Rainbow White
Pattern: Ribbon
Weight (ct): 4.6
Dimensions (mm): 20.5x8x4
Brightness rating: 3
Transparency: Opaque
MOHS Hardness: 5.5 – 6.5
Treatment: Non-treated
GbG ID: BK28