leucophane

Century Dictionary and Cyclopedia

1. n. An imperfectly crystallized mineral, of a pale greenish or wine-yellow color. It is a fluosilicate of beryllium, calcium, and sodium, and is found in Norway. Also called leucophanite.

Wiktionary

1. n. Alternative form of leucophanite.

GNU Webster's 1913

1. n. (Min.) A mineral of a greenish yellow color; it is a silicate of glucina, lime, and soda with fluorine. Called also leucophanite.