( n. )
A mineral occurring in hexagonal crystals, also massive, generally of a yellow color, containing silica, alumina, lime, soda, and carbon dioxide.
( n. )
A mineral occurring in hexagonal crystals, also massive, generally of a yellow color, containing silica, alumina, lime, soda, and carbon dioxide.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012