Definition of zircon in English:

zircon

noun

  • [mass noun] A mineral occurring as prismatic crystals, typically brown but sometimes in translucent forms of gem quality. It consists of zirconium silicate and is the chief ore of zirconium.

    • ‘In the andesitic rocks zircon is less abundant than in the porphyroids.’
    • ‘A honey-colored to brown zircon continues to be mined that can be heat-treated to lighten the color.’
    • ‘Sillimanite, cordierite, apatite, monazite and zircon are also present.’
    • ‘Quartz is associated most commonly with aegirine and potassium feldspar as well as zircon.’
    • ‘Even resistant minerals such as zircon have been found to be etched by bacteria.’
    • ‘Among his other discoveries were large zircon crystals found in a small tunnel in North Cheyenne Canyon.’

Origin

Late 18th century: from German Zirkon; compare with jargon.

Pronunciation:

zircon

/ˈzəːk(ə)n/