This necklace is made with fire opal heishi beads. The beads are about 4mm. The heishi beads are in white colors with gorgeous colors that can be seen in different lighting. Each bead is strung on a micro fused bead thread. The necklace is finished off with a gold plated stainless steel chain, clasp and logo charm. The necklace is 17inches long with a 2inch extension.