16" + 2" extension rhodium plated sterling silver necklace with freeform faceted round synthetic hydro quartz. The faceted hydro quartz is approximately 12mm. The necklace has a lobster clasp closure. Hydrothermal synthesis quartz is an alternative to dyed quartz that will never lose its brilliant color with time or wear. The beautiful freeform facet cut gives stones extra brilliance, with lots of artistically irregular cuts along the top of the stones. Made with .925 Sterling Silver.