28.1 cts Australian Rough Black Opal Lightning Ridge

Item description

Gemstone Type: Rough

Weight: 28.1 carats

Dimensions: L 23.8 mm x W 19.4 mm x H 15.6 mm

Colour:  Green/Purple/Blue/Light Blue

FREE form

Origin: Lightning Ridge, Australia

Treatments: None

Australian Solid Opal Rough Lightning Ridge

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