29.75 cts Australian Solid Black Opal Rough Nobby Lightning Ridge Parcel

Item description

Gemstone Type: Opal Rough

Black/ Semi Black

Colour: Green/ Blue

Gemstone: Natural Solid

Weight: 29.75 carats

Dimensions: L 17.3 - 23.0 mm

W 11.0 - 14.6 mm

H 4.8 - 9.1 mm

Quantity: 4 stones

Parcel with: Rough/ Nobby opal

Uses: Mineral Collection/jewellery/specimen/

Origin: Lightning Ridge Australia

Recommended uses:  cutting 

Treatment: No

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