6 letters · 17 points in Scrabble
noun a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent
originFrom German Zirkon, possibly via French zircon, formed in the 1780s from Arabic زَرْقُون (zarqūn), borrowed from Middle Persian zlgwn' (/zargōn/). Doublet of jargoon.
Etymology from Wiktionary, CC BY-SA 3.0