Definition of rutilite in English:

rutilite

noun

Mineralogy
rare
  • Originally: †sphene (obsolete). In later use: rutile, or a synthetic form of this.

Origin

Early 19th century; earliest use found in Robert Jameson (1774–1854), geologist and natural historian. From rutile + -ite.

Pronunciation

rutilite

/ˈruːtɪlʌɪt/