Rutile , the most abundant of three naturally occurring forms of titanium dioxide TiO 2 ; see also anatase ; brookite. It forms red to reddish brown, hard, brilliant metallic, slender crystals, often completely surrounded by other minerals. Rutile is a commercially important titanium mineral, although most titanium dioxide is produced from ilmenite. Rutile has minor uses in porcelain and glass manufacture as a colouring agent and in making some steels and copper alloys. Rutile is also used as a gem , but artificial rutile produced by the flame-fusion Verneuil process is superior to natural crystals for gem use.
In situ U-Pb rutile dating by LA-ICP-MS
Rutile dating - Gold'n'Cart
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Luvizotto, Matthias G. Barth, Elena Belousova, Melissa R. Wolfe, Richard W. Rutile is a common accessory mineral that occurs in a wide spectrum of metamorphic rocks, such as in blueschists, eclogites, and granulites and as one of the most stable detrital heavy minerals in sedimentary rocks. The advent of rutile trace element thermometry has generated increased interest in a better understanding of rutile formation.