Min. [Named 1844, after Prof. B. M. Keilhau.] A titano-silicate of calcium, yttrium, and other metals.
1846. Amer. Jrnl. Sc., Ser. II. II. 415. Keilhauite was found near Arendal in Norway.
1868. Dana, Min. (ed. 5), 387. The Alve keilhauite has two cleavages inclined to one another 138°.
