A black onyx stone is such a classy look for a man! Wouldn’t you agree? This man’s ring is in sterling silver and holds a square onyx that measures 12 mm long and wide. The designs on the side are an open look with cut outs. Finger size is a 8.5. Onyx is a powerful protection stone that absorbs and transforms negative energy and to prevent the drain of personal energy. Don’t we all need this!