Yt'tro-çe'rīte, n.

(49), n. (Min.) A mineral of a violet-blue color, inclining to gray and white, or sometimes white or reddish-brown, occurring very sparingly at Finbo and Brodbo, near Fahlun, imbedded in quartz. It consists of lime, sesquioxide of cerium, yttria, and hydrofluoric acid. Dana.