A lustrous red, reddish-brown, or black mineral, TiO2 , used as a gemstone, as an ore, and in paints and fillers.
A hard, reddish, tetragonal form of titanium dioxide, an ore of titanium.
A lustrous red, reddish-brown, or black tetragonal mineral that is an ore of titanium. Rutile usually occurs as prismatic crystals in other minerals, especially as dark needlelike crystals in quartz. Chemical formula: TiO2.
Origin of rutile
French from German Rutil from Latin rutilus red rutilant