( n. )
A rare mineral, occurring crystallized and in cleavable masses, usually white, or nearly so, in color. It is a silicate of aluminia and lithia.
( n. )
A rare mineral, occurring crystallized and in cleavable masses, usually white, or nearly so, in color. It is a silicate of aluminia and lithia.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012