zirkoon n (plural zirkonen, diminutive zirkoontje n)
From German Zirkon or French zircone, from Arabic زَرْقُون (zarqūn, “cinnabar, bright red”), from Persian زرگون (zargun) / زریون (zaryun), from Middle Persian 𐭦𐭫𐭢𐭥𐭭 (zargōn).