Definition of rinneite in US English:

rinneite

noun

Mineralogy
  • An iron-containing mineral which occurs in saline deposits as colourless, pale rose, violet, or yellow granular masses.

Origin

Early 20th century; earliest use found in Journal of the Chemical Society. From the name of Friedrich Rinne, German mineralogist + -ite, after German Rinneit.

Pronunciation

rinneite

/ˈrɪnəʌɪt/