Herkimer Diamond is a gorgeous member of the Quartz family, found only in the Herkimer County of New York, and is renowned for its clarity and sparkle! Herkimer Diamond provides us with clarity of mind, enhancing our clairvoyant abilities and dream recall. It clears and detoxifies the body and mind of negativity, relieving tensions and bringing serenity to our lives. This necklace is on an 18 inch sterling silver chain.