Zircon - Dictionary Definition and Overview

Zircon :  (noun)

1: 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]

Based on WordNet 2.0

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.

Based on WordNet (r) 2.0 (August 2003)
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