An 18-faceted, double-terminated, super clear quartz crystal first discovered in the late 1700s in Herkimer County, New York, USA. Its exceptional clarity is due to being formed extremely slowly in pockets of dolostone rock.
|Formula:||Silicon dioxide (SiO2 + Al, Fe, Ca, Mg, Li, Na)|
|Appearance:||Violet, purple, or grayish purple crystals|
|Hardness (Moh’s Scale):||7|
|Specific Gravity:||2.63 – 2.65|
|Mine Locations:||Minas Gerais in Brazil, Australia, Cambodia, Canada, Czech Republic, India, Japan, Madagascar, Mexico, South Africa, Sri Lanka, Russia, United Kingdom, United States, Uruguay|
Michael Gienger, Crystal Power, Crystal Healing (London: Cassell & Co., 2000), 214-217.
Peter Darling, Crystal Identifier (New York: Shooting Star Press, Inc., 1996), 99.
Mindat.org. “Amethyst.” Accessed September 16, 2010 <http://www.mindat.org/min-198.html>