Origin: Queensland, Australia
Opal Type: Solid Boulder Opal
Shape: Freeform
Color: Green / Blue
Pattern: Rolling flash
Weight (ct): 28.4
Dimensions (mm): 22x17x6.5
Brightness rating: Bright
Transparency: Opaque
MOHS Hardness: 5.5 – 6.5
Treatment: Non-treated
Setting: Undrilled
GbG ID: BO47