( n. )
A transparent or translucent variety of common feldspar, or orthoclase, which often shows pearly opalescent reflections; -- called by lapidaries moonstone.
( n. )
A transparent or translucent variety of common feldspar, or orthoclase, which often shows pearly opalescent reflections; -- called by lapidaries moonstone.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012