Sterling Silver Seahorse - Pearl and Aqua Apatite (Large)Graceful, simplistic rendition of a sea horse designed by Holly Pisaturo. Hand formed from heavy gauge solid . 925 sterling wire, then hammered and encrusted with pearls, aqua apatite gemstones and glass seed beads. Size Large: 2. 50" x 1. 0" Pendant handmade with: Argentium(r) is the finest of sterling, alloyed with germanium, rather than copper. It is more pure than solid sterling silver which is . 925 pure (925 parts out of 1000 parts pure silver)