- Zr2SiO4
- Zircon ir"con, n. [F., the same word as jargon. See {Jargon}
a variety of zircon.]
1. (Min.) A mineral consisting predominantly of zirconium
silicate ({Zr2SiO4}) 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}.
[1913 Webster +PJC]
2. an imitation gemstone made of {cubic zirconia}. [PJC]
{Zircon syenite}, a coarse-grained syenite containing zircon crystals and often also el[ae]olite. It is largely developed in Southern Norway. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
