Which of the following is a common industrial use for a mineral?

Using iron to fortify cereals

Using silver to create jewelry

Using copper to make art pieces

Using low-grade diamonds to cut materials

Question

Which of the following is a common industrial use for a mineral? 

 Using iron to fortify cereals 

 Using silver to create jewelry 

 Using copper to make art pieces 

 Using low-grade diamonds to cut materials

anonymous · Answer

@lagrangeson678 can you help me?

anonymous · Answer

I think it's diamonds because they have a defined crystalline structure and they are almost pure carbon. I think the definition of a mineral is that it is a crystal with a defined chemical composition : http://en.wikipedia.org/wiki/Mineral