Identification: Rutile is a titanium oxide, TiO2. It is red, red-brown to black in color, with a yellow or pale brown streak. The specific gravity is 4.2 to 4.3 and hardness from 6.0 to 6.5. In Florida, rutile occurs as rounded sand-size particles.

Occurrence: Rutile is a heavy mineral in Florida's sands and is found associated with ilmenite, zircon, staurolite and others.

Production: Rutile is produced along with ilmenite in Clay, Duval, and Indian River counties.

Use: See Ilmenite.