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zircon |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Zircon \Zir"con\, n. [F., the same word as jargon. See {Jargon} a variety of zircon.] (Min.) A mineral occurring in tetragonal crystals, usually of a brown or gray color. It consists of silica and zirconia. A red variety, used as a gem, is called {hyacinth}. Colorless, pale-yellow or smoky-brown varieties from Ceylon are called {jargon}. From WordNet r 1.6 [wn]: zircon n : a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent [syn: {zirconium silicate}]
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