Natural clear quartz gemstone necklace. Available in 14k gold filled clasp with 14k gold plate chain or sterling silver clasp with silver plate chain - you choose. Size is 18 to 19 inches. 3.5 -4.0 mm gemstones. Wear alone, jumble with other necklaces or add a pendant for a unique look. Great simple everyday necklace, goes with anything. Over 15 carats. Shipping is Free!