210 cts Australian Rough Black Opal Lightning Ridge

Item description

Gemstone Type: Rough Black Opal 

Weight: 210 carats

Dimensions: L 50.5 mm x W 31.5 mm x H 22.7 mm

Colour:  Purple (electric blue )

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.