Calcium carbonate occurs in the allomorphs calcite and aragonite.同质异晶的方解石和文石中含有碳酸钙.The chemical composition of the melo shell is calcite and aragonite.美乐贝的化学成分是方解石和文石.Aragonite and magnesium calcite are more soluble than...

n.霰石，文石...

aragonite的音标：aragonite的英式发音音标为：[ə'rægənaɪt]aragonite的美式发音音标为：[ə'rægənaɪt]...