21.75 cts Australian Semi-Black Opal Rough for Carving, Lightning Ridge

Item description

Gemstone Type: ROUGH Opal

Body tone: N7 - N8

Colour: Red/Purple/Green/Blue

Gemstone: Natural Solid

Weight: 21.75 carats

Dimensions: L 31.3 mm W 17.7 mm H 12.2 mm

Origin: Lightning Ridge Australia

Recommended uses: Cutting/Carving

Treatment: No