31.0 cts Australian Semi-Black Opal Rough, Lightning Ridge

Item description

Gemstone Type: ROUGH Opal

Body tone: N6 - N7

Colour: Red/Purple/Green/Blue

Gemstone: Natural Solid

Weight: 31.0 carats

Dimensions: L 33.0 mm W 14.6 mm H 11.8 mm

Origin: Lightning Ridge Australia

Recommended uses: Cutting for Fine Jewellery/ Specimen / Collectors

Treatment: No