Min. [f. next + -ITE. Named by Haidinger, 1845.] Hydrous carbonate of lanthanum, found in white tabular crystals.
1849. J. Nicol, Min., 344. Lanthanite … is found in the emerald mines of the Musso Valley.
1868. Dana, Min. (ed. 5), 709. Lanthanite … Effervesces in the acids.
