Newstone Faceted 2.5mm Black Spinel Bead Necklace with 2" Extension Assembled in Japan. The stone is 2mm x 2.5mm stone beads strung together. Length: 15.7" long with 2" extension chain made of 925 Silver Our purchasing buyers carefully select stone beads direct from Indian suppliers and hand pick the best materials available. The stones are hand factetted naturual Black Spinels. Gift box is included. Clasp and 2" (5cm) adjuster chain = 925 Silver