Sliced polished agate in a variety of copper wires, the strand has polished agate stones, cracked agate beads, and glass crystals.Agate is a variety of chalcedony formed from layers of quartz which usually show varicolored bands. It usually occurs as rounded nodules or veins.Bryce Canyon (located in Utah) is not technically a canyon. It is a series of about a dozen natural amphitheaters, eroded into an escarpment of the Paunsaugunt Plateau. Bryce Canyon has some of the darkest night skies in the United States, and the stargazing is extraordinary on a clear night.Agate, copper wire, glass, natural stones, pewter, wire. The materials are all natural and will do well in an outside environment.