Definition of narsarsukite in US English:

narsarsukite

noun

Mineralogy
  • A yellow silicate and fluoride of sodium, iron, and titanium, Na₂(Ti,Fe)Si₄(O,F)₁₁, occurring as transparent or translucent crystals of the tetragonal system.

Origin

Early 20th century. From Narsarsuk, the name of a plain in south-western Greenland + -ite.

Pronunciation

narsarsukite

/ˌnɑːsɑːˈsʊkʌɪt/