PEG'MATITE, noun Primitive granitic rock, composed essentially of lamellar feldspar and quartz; frequently with a mixture of mica. In it are found kaolin, tin tourmaline, beryl, aqua marina, tantale, scheelin and other valuable minerals.
Contenido
Derechos y fuentes
Consulta información de fuente, licencia y atribución de este contenido.
Contenido
Webster's Dictionary 1828
American Dictionary of the English Language, Noah Webster, 1828.