这块岩石中含有大量闪亮的矿物质。

This rock contains many shiny ___minerals.

这个地区的矿藏丰富，盛产铁矿石和其他有价值的矿物质。

This region is rich in ___minerals, producing iron ore and other valuable resources.

牛奶是钙这种矿物质的重要来源。

Milk is an important source of the ___mineral calcium.