| slovo | definícia |
Zr2SiO4
(gcide) | Zircon \Zir"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 elaeolite. It is largely developed
in Southern Norway.
[1913 Webster] |
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