Origin: Queensland, Australia
Opal Type: Solid Boulder Opal
Shape: Freeform
Color: Rainbow
Pattern: Common, Ribbon
Size (mm): 18.5x15x3.5
Weight (ct): 8.6
Brightness rating (1-5): 2
Transparency: Opaque
MOHS Hardness: 5.5 – 6.5
Treatment: Non-treated
GbG ID: BO63