aragonite

"aragonite: an orthorhombic mineral form of crystalline calcium carbonate, dimorphous with calcite."

文石结晶富钙碳化的一种正交晶矿,具有方解石的两种晶态。

Polar surface waters most likely will become undersaturated for aragonite before the end of this century.

在本世纪结束前，极地海水表层很有可能变得对霰石。