Herkimer Diamonds are an extra hard double-point quartz crystal found in New Yorks Mohawk Valley. Double-point quartz crystals may be found in sites around the world, but only those mined in Herkimer County can be given this name. You may need this crystal if you are a Reiki Master, traveler on the spiritual path or highly sensitive. Put it in spaces you want to zone as “sacred.” Use it when you are reaching for “clearer than ever” through spirituality, therapy or healing work, use it to brush off all those unwanted vibes. Power wash your energy.