Herkimer diamond is a double-terminated quartz crystal found in Herkimer County, New York and the Mohawk River Valley. Herkimer Diamondquartz crystals are known for their extreme clarity,andhave 18 facets (6 sides) and two terminations. Herkimer diamonds are found clear, cloudy, smoky or even containing a variety of rare impurities.

The stone is said to bring positive attention and prosperity through high achievement,