calciferrite

例句：

1. 1.This mineral is often used in the manufacture of glass.
   这种矿物常用于制造玻璃。
2. 2.The crystals are a beautiful shade of green.
   这些晶体是美丽的绿色。
3. 3.Calcium carbonate is also known as limestone.
   碳酸钙也被称为石灰石。