Rope-length string of Swarovski pearls in Iridescent Dark Blue. This necklace is 32" inches long and contains 32 6mm Obsidian beads and 128 4mm Malachite beads . Between each set of the bead combination are two deep black 3mm crystal beads. Malachite is a beautiful deep green, banded gemstone that has been mined for centuries. Obsidian has a glassy luster because it is a natural glass formed by rapid cooling of volcanic lava. Together they are a striking combination. Hand knotted. No clasp; a single strand.