This pendant is composed of a volcanic scoria (cooled lava) stone, elaborately wrapped in solid, Sterling silver wire, with a genuine Swarovski crystal set in a sculpted whorl at the base of the bail and suspended on an 18"-long Sterling silver chain. It measures 32x18x9mm (1.3" x 0.7" x 0.4"). Rugged, organic and gorgeous, this pendant truly reflects the raw beauty of nature's finest treasures. *Coins are shown for scale and will not be included with the jewelry.