17x21x12mm approx SOLD INDIVIDUALLY - Herkimer diamond quartz pendant with gold plated bail and loop. Herkimer diamonds are not actual diamonds and have a greyish hue. Herkimer Quartz "Diamonds" in the crystal world are said to contain the most energy. They are the most powerful of all Quartz crystals.They originate mostly in the New York area. This design has been crafted in Uruguay.