7.20 cts Australian Black Opal Rough, Lightning Ridge, Polished Specimen, Natural Blue Stone

Item description

Gemstone Type: Polished ROUGH Specimen

Body tone: N3 - N4

Colour: Blue

Gemstone: Natural Solid

Weight: 7.20 carats

Dimensions: L 19.9 mm

W 7.8 mm

H 9.8 mm

Origin: Lightning Ridge Australia

Recommended uses: Cutting for Fine Jewellery/ Specimen / Collectors

Treatment: No