Did you know that coloured gem stones are gaining in popularity? Each stone is unique and exclusive. Some are rare with limited availability, so as well as being beautiful, are increasingly becoming investment pieces. Glenray Jewellers has a magnificent range of stones, in a variety of settings. Visit us online or in our shops to [...]
What is Onyx?
Onyx is a variety of the Chalcedony quartz. It consists of bands which are usually brown and white or black and white.
Onyx is formed when silica is deposited in gas cavities in lavas.
The name Onyx is derived from the Greek for fingernail as it is weak and transparent in its natural state.