21ct Black Onyx - Beautiful Onyx Gemstone - Onyx Agate - 20x15mm

This Black Onyx gemstone cabochon is perfect for adding a touch of sophistication to your collection. Exquisitely crafted with a subtle yellow tint, it's ideal for jewelry making, accessories, and more.

NAME : Black Onyx

DIMENSIONS: 20x15mm

WEIGHT: 21 Carats

TREATMENT: None