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

Item description

Gemstone Type: Opal Rough 

Black Opal

Colour:  Green/Multi-colour

Gemstone: Natural Solid

Weight: 18.3 carats

Dimensions: L 9.2 - 25.1 mm x W 8.7 - 19.6 mm x H 2.3 - 4.9 mm 

Quantity: 4 stones

Origin: Lightning Ridge Australia

Recommended uses: Lapidary/Practice Cutting/Carving /Rubbing 

Treatment: No

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