Origin: Queensland, Australia
Opal Type: Solid Black Opal
Shape: Freeform Cabochon
Color: Green / Blue
Pattern: Broad flash
Weight (ct): 3
Dimensions (mm): 14×10.5×3.5
Brightness rating: 3
Transparency: Opaque
MOHS Hardness: 5.5 – 6.5
Treatment: Non-treated
GbG ID: BK33