Lewis Short
gălactītes | gălactītis, ĭdis | gălaxias, ae (noun M.f.m) : m., and , , f., = γαλακτίτης and γαλακτῖτις
* A precious stone of a milk-white color, otherwise unknown, milk-stone, Plin. 37, 10, 59, § 162. —Called also , , m., = γαλαξίας, id. ib.
Charlton T. Lewis, Charles Short, A Latin Dictionary