Origin: Coober Pedy, Australia
Opal Type: Crystal Opal
Shape: Oval
Color: Rainbow
Pattern: Flagstone
Transparency: Translucent
Brightness rating (1-5): 4-5
Size (mm): 20x15x4
Weight (ct): 9.55
MOHS Hardness: 5.5 – 6.5
Treatment: Non-treated
GbG ID: CY18