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
|Color||Red, reddish brown, reddish black|
|Luster||Adamantine to submetallic|
|Diaphaneity||Transparent to subtranslucent|
|Mohs Hardness||6 to 6.5|
|Specific Gravity||4.2 to 4.4|
|Diagnostic Properties||Luster, color|
|Chemical Composition||Titanium oxide, TiO2|
|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 is used in the production of pigments for paints.
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|Mineral Identification Chart|