These Navajo Pearl style earrings are sterling silver and genuine Kingman Turquoise. 2.5” drop including ear wire. Natural Gemstones are minerals or organic matters that are produced from nature. They can be cut and polished for use as jewelry or other adornments. Most Gemstones are hard, durable and rare with great aesthetic value, including natural gemstones, natural jades and natural organic materials (such as pearl and amber).