Clay Spike $53 This beautiful Spike necklace is made from three clay spikes that resemble Malachite. It is strung with antique Silvered beads, 8mm Smoky Faceted Czech Glass Beads, 8mm Black Jade, and gunmetal glass seed beads. This set has a Sterling Silver Toggle Clasp. The necklace measures 19". This set may look "heavy", but the clay is very lightweight, making this stunning set a breeze to wear!