18.2 cts Australian Rough Black Opal Parcel, Rubs, Lightning Ridge CMR

Item description

Gemstone Type: Opal Rough Solid Rubs

Black Opal

Colour: Green/Blue

Weight: 18.2 carats

Quantity: 6 stones 

Dimensions: L 13.0-23.2 mm W 6.8-13.0 mm H 2.2-4.7 mm

Uses: Mineral Collection/jewellery/specimen/cutting 

Origin: Lightning Ridge Australia

Treatment: No

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