2450 cts Australian Large Boulder Opal Rough

Item description

Weight: 2450 carats - Good hard ironstone

Dimensions: L 105.1 mm x W 77.5 mm x H 58.1 mm

Colour: Green/Blue

Origin: Australia

Uses: for cutting or specimen

Gemstone: Australian Rough Boulder Opal 

Uses: Mineral Collection

Treatments: None