280 cts Australian Boulder Opal Rough Parcel

Item description

Weight:  280 carats

Dimensions: L 21.9-46.2 mm x W 24.6-35.7  mm x H 11.0-23.6 mm

Colour: Green/Blue

Quantity: 5 Stones

Origin: Australia

Uses: Pendant for Ring Gold or Silver Mounting

Gemstone: Australian Rough Boulder Opal 

Uses: Mineral Collection

Treatments: None

Water is sprayed on the opal to simulate a polished stone.