1 Strand Black Onyx Faceted Rondelle Beads measure approx. 6mm these are absolutely beautiful strand measures approx. 15 inches/ 38 cm.

Onyx is a translucent Chalcedony, part of the Quartz family, and for hundreds of years was carved to produce cameos - we have a range from black to black and white banded. Sardonyx is known as the stone of marital happiness.