( n. )
A kind of pseudomorph, in which there has been a change of physical characters without alteration of chemical composition, as the change of aragonite to calcite.
( n. )
A kind of pseudomorph, in which there has been a change of physical characters without alteration of chemical composition, as the change of aragonite to calcite.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012