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

Item description

Gemstone Type: Opal Rough Solid Rubs

Black Opal

Colour: Red /Green/Blue

Weight: 18.1 carats

Quantity: 4 stones 

Dimensions: L 13.6-17.4 mm W 8.4-13.7 mm H3.8-6.2 mm

Uses: Mineral Collection/jewellery/specimen/cutting 

Origin: Lightning Ridge Australia

Treatment: No

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