Meaning
A mineral occurring in tetragonal crystals, usually of a brown or grey colour and consisting of silica and zirconia.
Etymology
Origin: French
From German Zirkon, possibly via French zircon, formed in the 1780s from Arabic زَرْقُون (zarqūn), borrowed from Middle Persian zlgwn' (/zargōn/). Doublet of jargoon.
NYT Puzzle Appearances
Accepted in 1 recorded puzzle: