(n) :
Archaic form of aragonite. [(mineralogy) An evaporite consisting of anhydrous calcium carbonate with the chemical formula CaCO₃ and occurring in pearls, shells and nacre; it is dimorphous with calcite.]
(n) :
Archaic form of aragonite. [(mineralogy) An evaporite consisting of anhydrous calcium carbonate with the chemical formula CaCO₃ and occurring in pearls, shells and nacre; it is dimorphous with calcite.]