21.7 cts Rough Black Opal Rubs Parcel Lightning Ridge

Item description

Gemstone Type: Rough Opal

Colour: Green/Blue/Red

Gemstone: Natural Solid

Weight: 21.7 carats x 8 pcs

Dimensions: L 9.8 - 23.1  x  W 5.6 - 12.5  x  H 3.0 - 5.1 mm

Uses: Mineral Collection/jewellery/stones

Origin: Lightning Ridge Australia

Treatment: No

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