Indigo gabbro cabochon

Indigo gabbro cabochon

Size: approx. 29x20mm

Weight: 21.50ct

Grey/brown with soft blue/lavender patches.

With a hardness of 6-6.5, indigo gabbro is suitable for use in rings, pendants, earrings, bracelets, brooches and cufflinks, although abrasion and wear may occur in rings and bracelets.

Hardness – resistance to scratching and wear

Stability – resistance to alteration by light, heat or chemicals

Toughness – resistance to fracture, cleavage or cracking

Please note you will receive the stone in the photograph