Herkimer crystals, found in Herkimer County, NY, are clear quartz grown in the presence of carbon. The highest quartz vibration, Herkimers give people the courage to be different and stand alone. They stimulate psychic ability and dream recall. Herkimers, also known as the attunement stone. They are powerful cleansers of emotional, mental, and physical bodies; and are excellent healing tools for Reiki and other energy work.