Florida Geological Survey - Geologic Topics
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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
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2012 State of Florida