Blue agate on blue leather cord with copper colored glass beads wrapped with copper wire. 40" choker with clasp, or 50" free form closure, bring harmony and blocks negative energy. This lovely blue agate stone also helps ensure smooth communication, so wear these easy pieces if you work with people daily. Unique earrings of engraved birch leaves with agate and silver wires sold as a set or separately. Agate is also known to boost self-confidence.