Herkimer Diamonds Overview:
Chemical Formula: SiO2Chemical Classification: SilicateColor: Colorless, Cloudy, SmokyCrystal System: HexagonalMohs Hardness: 7Location: Only in Herkimer County, New York
Herkimer Diamonds are found in the Herkimer county in New York, USA.
Herkimers are believed to be around five hundred million years old.
Herkimer Diamonds are technically not diamonds but are named as such because of its clarity and geometrical structure.
Herkimer Diamonds are essentially double terminated quarts crystals with a total of 18 faces.
Quartz Crystals do not usually form with double terminated tips.
Even though other crystals with the exact same structure can be found in other areas of the world, only the ones found in Herkimer county can actually be called Herkimer Diamonds.
Some variations can also be more smoky and dull in appearance.
Inclusions of carbon that look like black dots can sometimes be found in some Herkimer Diamonds.