plural of zircon light

A chemical element (symbol Zr) with an atomic number of 40, a strong, lustrous, grey-white transition metal mainly used as a refractory and opacifier.

(crystallography) A double eight-sided pyramid, a form common with tetragonal crystals.

(chemistry) The oxide of zirconium, obtained as a white powder, and possessing both acid and basic properties. On account of its infusibility, and brilliant luminosity when incandescent, it is used as an ingredient of sticks for the Drummond light.

(mineralogy) A light brown variety of zircon.

plural of zirconite

plural of zirconoid

(inorganic chemistry) The oxygenated cation of zirconium ZrO²⁺

(mineralogy) The mineral calcium zirconium titanate.

plural of zirconyl