The spelling of the word "rutilite" is based on the pronunciation of the word. Using IPA phonetic transcription, the word is spelled as /ˈruːtɪlaɪt/. The first syllable "ru" is pronounced as "roo," followed by "ti" pronounced as "tih." Then, there is a distinct "l" sound before the "ite" ending pronounced as "ight." This mineral name pertains to a mineral species composed of titanium dioxide, characterized by its reddish-brown color and slender, needle-like shape.
Native titanate and silicate of lime, used in painting porcelain.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.