13.4 cts Rough Black Opal Parcel Rubs Lightning Ridge CMR

Item description

Gemstone Type: Opal Rough Solid Rubs

Black Opal

Weight: 13.4 carats

Colour: Green/Blue

Quantity: 5 stones 

Dimensions: L 5.5 - 20.8 mm W 5.8 - 15.0 mm H 3.0 - 4.2 mm

Uses: Mineral Collection/jewellery/specimen/cutting 

Origin: Lightning Ridge Australia

Treatment: No

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