Quartz Power, Energy, Clarity Quartz can be used to purify and clarify the spiritual, mental, and physical planes, clearing away negative energy and increasing inspiration and creativity. Style Details: Genuine Quartz in Rainbow 14KT plated brass Stones: 2 ½″ length x 1 ¾″ width (Each stone is unique, size & shape may vary slightly) Assembled in the USA with imported materials.