20.7 cts Australian Rough Opal Lightning Ridge

Item description

Gemstone Type: Rough

Weight: 20.7 carats

Dimensions: L 30.0 mm x W 22.3 mm x H 4.9 mm

Colour:  Purple/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.