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Naturally formed, this stone is often confused with cubic zirconia, the man-made diamond imitation. Possibly hailing from the Persian word zargum meaning "gold-colored," zircon can come in a variety of colors, ranging from colorless to the more popular blue zircon.
Zircon was originally believed to possess abilities to aid its wearer in restful sleep, prosperity, honor and wisdom. Today the stone is a collector’s favorite due to its beauty, rarity and relatively low cost. Hailing mainly from the east, zircon is mined heavily in Cambodia, Sri Lanka, Thailand and Australia.
The stone is quite hard (7.5), but careful storage is recommended when it’s not being worn.
Zircon is somewhat soft so avoid scratches and sharp blows. Avoid hot water and household chemicals. Brown Zircon is usually heat treated to change them to colorless or blue Zircon. Blue stones that revert to brown will regain the blue if reheated. Blue Zircon reheated in the presence of oxygen will change to a golden yellow. Zircon will have more wear on its facets than diamond. Zircon is imitated by colorless glass and synthetic spinel.