329 cts Australian Rough Black Opal Lightning Ridge

Item description

Gemstone Type: Rough Opal 

Weight: 329 carats

Dimensions: L 57.0 mm x W 43.4 mm x H 19.5 mm

Colour:  Red/Multi-colour

FREE form

Origin: Lightning Ridge, Australia

Treatments: None

Uses: Mineral Collection/jewellery/specimen/carving/cutting

Australian Solid Opal Rough Lightning Ridge

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