McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams

Home » Minerals » Rutile

Rutile


Mineral Properties and Uses



What is Rutile?



Rutile is a titanium oxide mineral that is most commonly found in granites, pegmatites and metamorphic rocks. It is also found in sands derived from the weathering of these rocks. Rutile also forms as slender crystals within quartz and micas. It is a common mineral in the alluvial sands that are dredged for magnetite and ilmenite.


Physical Properties of Rutile

Chemical Classification oxide
Color red, reddish brown, reddish black
Streak pale brown
Luster adamantine to submetallic
Diaphaneity transparent to subtranslucent
Cleavage good
Mohs Hardness 6 to 6.5
Specific Gravity 4.2 to 4.4
Diagnostic Properties luster, color
Chemical Composition titanium oxide, TiO2
Crystal System tetragonal
Uses an ore of titanium, pigments, inert coating on welding rods


Uses of Rutile?



Rutile is used as a coating on welding rods. It is also used as an ore of titanium, a metal used where light weight and high strength are needed. Some rutile used in the production of pigments for paints.


Rutile ilmenite zircon sand
Sand made of rutile ilmenite zircon from Georgia. Specimens are sand size particles.


Rutilated quartz cabochons
Cabochons of rutilated quartz - an example of how long thin crystals of rutile can form in quartz. Each gem is approximately 12 millimeters by 10 millimeters.



Find it on Geology.com




More from Geology.com


bear attack
Bear Attacks! Knowing how to react to a bear encounter and attack could save your life.
Coal
Coal Through a Microscope: Coal is more than a black rock. It's THE most interesting rock.
Natural Gas Investing
Natural Gas Investing Kenny DuBose wants you to ask: Why did this deal come my way?
dowsing
Dowsing is a method used to find underground water that is rejected by most geologists.
Asteroid Impact Map
Asteroid Impact Map: Explore fifty of the most obvious asteroid impact craters on Earth.
Mohs Hardness Test
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Photos of Geysers
Photos of Geysers from around the world with information about height, eruption interval, more.
Oil Sands
Oil Sands contain oil in the form of bitumen. A major oil resource that can be difficult to produce.


Rutile
Rutile from Oaxaca, Mexico. Specimen is approximately 1 inch (2.5 centimeters) across.




Ilmenorutile
Ilmenorutile, a variety of rutile from Iveland, Norway. Specimen is approximately 2 inches (5 centimeters) across.


Rutile nigrine
Nigrine, a variety of rutile from Magnet Cove, Arkansas. Specimens are approximately 1/2 inch to 1 inch (1.3 centimeters to 2.5 centimeters) across.


More Minerals
  Minerals
  Fluorescent Minerals
  Mineral Identification Chart
  Quartz
  Find Minerals and Gems
  Diamond
  Topaz
  Diamonds Do Not Form From Coal




© 2005-2015 Geology.com. All Rights Reserved.
Images, code and content of this website are property of Geology.com. Use without permission is prohibited. Pages on this site are protected by Copyscape.