21.5 cts Australian Black Rough for Carving Opal, Rub Lightning Ridge

Item description

Gemstone Type: Opal Rough

Colour:  Dark blue /Green

Gemstone: Natural Solid

Weight:  21.5 carats

Dimensions: L 31.1 mm x W 17.4 mm X H 8.4 mm 

Parcel with: Rough Opal - Rub

Uses: Mineral Collection/jewellery/specimen/ carving

Origin: Lightning Ridge Australia

Treatment: No

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