zircon (n.) Look up zircon at Dictionary.com
1794, circon, also jargon, new name given in chemistry to jacinth, from French zircone and German Zirkon (compare French jargon, Italian giargone), from Arabic zarqun "cinnabar, bright red," from Persian zargun "gold-colored," from Avestan zari- "gold-colored," from zar "gold."