Length: 17" Clasp: Locking Latch Clasp Biggest flower measures: 1.25" x 1.25" Smallest flower measures .75" x .75" Metal: .925 Sterling Silver Stone: Marcasite Accent: Mother of Pearl History: Marcasite jewelry has been made since the time of the Ancient Greeks. It came into fashion in the eighteenth century, the Victorian era and with Art Nouveau jewelry designers.