sfen

listen to the pronunciation of sfen
Турецкий язык - Английский Язык
sphene
titanite
A mineral found usually in thin, wedge-shaped crystals of a yellow or green to black color
It is a silicate of titanium and calcium; titanite
A titanium accessory mineral in some granite and metamorphic rocks, CaTiSiO, occurring in usually small brown or yellow crystals and sometimes used as a gemstone. Also called titanite