Black Onyx Ring - Sterling Silver Here we have a very

Here we have a very interesting combination specimen of chrysocolla and malachite

The heat and pressure from this impact would have melted the silica through radiation

Specifics: Beaded (4mm) with Lobster Clasp

and other minerals with high color play

Black Onyx Ring - Sterling Silver Here we have a veryThis design features a "diamond" shank with faceted studs. Size: 10 Stone Size: 10 x 14 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 stronghold