Min. [named after T. Allan, a mineralogist + -ITE, min. form.] A brownish-black mineral, akin to Epidote, consisting mainly of the oxides of cerium and iron, with silica.
1843. Humble, Dict. Geol., Allanite, an orthitic melane-ore … brought from Greenland.
1880. Dana, Min., 287. Allanite is a cerium-epidote.
