Onyx Circles $98 This unique necklace is fully adjustable to any length up to 22inches!! It has a Sterling Lobster Claw clasp that can hook anywhere on the Silver chain. The black Onyx circles are lashed together with Sterling wire and Cantaloupe color change Swarovski crystals. The top two thick top donuts are black agate. The bottom is finished with a spiral dangle of the same Swarovski Crystals and a Bali Silver bead.