17.85 cts Rough Black Opal Rub Lightning Ridge

Item description

Gemstone Type: Opal Rough Rub

Colour: Green/Blue

Gemstone: Natural Solid

Weight: 17.85 carats

Dimensions: L 27.7 mm x W 15.0 mm X H 7.1 mm 

 Origin: Lightning Ridge Australia

Treatment: No

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