RUTILE, titanium oxide TiO2 in tetragonal form, the chief source of titanium; also used as a gem and for coloring matter for porcelain, artificial teeth, etc. Mined in Virginia.
Edition of 1920. See also Rutile on Wikipedia, and the disclaimer.
RUTILE, titanium oxide TiO2 in tetragonal form, the chief source of titanium; also used as a gem and for coloring matter for porcelain, artificial teeth, etc. Mined in Virginia.