20.70 cts Australian Rough Opal Lightning Ridge

Item description

Gemstone Type: Rough Opal 

Weight: 20.70 cts

Dimensions: L 23.5 mm x W 20.5 mm x H 11.0 mm

Colour:  Green/ Blue

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.