haematite

例句：

1. 1.The red iron pyrite is a common mineral found in many places.
   赤铁矿是一种常见的矿物，很多地方都有发现。
2. 2. The red iron pyrite has been used for centuries to make pigments and dyes.
   赤铁矿被用来制作颜料和染料，已经有几百年的历史了。
3. 3. The red iron pyrite is mined from the earth and sold as a raw material for industrial use.
   赤铁矿是从地下开采出来的，作为工业原料出售。