Corresponding Astrological Sign: Sagittarius
Herkimer diamonds are a particular formation of Quartz Crystal, which can be found in Herkimer, New York, USA. Other crystals which exhibit a similar formation also are sometimes referred to as "herkimers." The black inclusions present in many herkimer crystals is carbon.
Harmony, awareness, spontaneity. Crystal of attunement. Stimulates clairvoyance and telepathic communication. Can store information/emotions.