Black Onyx Ring - Sterling Silver The beautiful blue hues of

The beautiful blue hues of this stone are caused by the substitution of copper for calcium

It helps balance the mind and emotions while inspiring eloquence and creativity

and sometimes realgar (orange)

The first occurrences of this symbol were made of clay or ceramic but glass took over 3500 years ago

It does exhibit a slight transition to a lighter brown near the tip of the specimen

Black Onyx Ring - Sterling Silver The beautiful blue hues ofThis ring features a "basketweave" design with a flat, oval stone. Size: 9 Stone Size: 10 x 12 mm Black Onyx is a variety of silicate minerals similar to agate. The primary difference is the formation of the chalcedony bands. Agates show curved banding while onyx shows parallel banding. The word onyx comes from the ancient Greek word "" meaning claw. The uses of onyx for jewelry, tools, and art can be traced back almost 5000 years. Black Onyx is a