Magmatic, metamorphic, pegmatitic, and alluvial rocks. Zicons are commonly slightly radioactive due to trace amounts of uranium and make prime, geochron age indicators.
IMA Status:
Valid Species (Pre-IMA) Prehistoric
Locality:
Laacher See, Niedermendig, Germany. Link to MinDat.org Location Data.
Name Origin:
Named from its containing the element, zirconium; which was named from the Persian, zar "gold" and gun = "like" which translates "like gold".