Zircon - Definition
zircon
n 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: zircon, zirconium silicate]
n 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: zircon, zirconium silicate]