Definition of zircon in English:

zircon

Syllabification: zir·con
Pronunciation: /ˈzərkän
 
/

noun

A mineral occurring as prismatic crystals, typically brown but sometimes in translucent varieties of gem quality. It consists of zirconium silicate and is the chief ore of zirconium.
More example sentences
  • Sillimanite, cordierite, apatite, monazite and zircon are also present.
  • A honey-colored to brown zircon continues to be mined that can be heat-treated to lighten the color.
  • Even resistant minerals such as zircon have been found to be etched by bacteria.

Origin

late 18th century: from German Zirkon; compare with jargon2.

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