Minerals: A Resource Our World Depends on (Heinemann InfoSearch, Managing Our Resources)

What are minerals? What is the hardest mineral? Why do our bodies need minerals? Read this book to find the answers to these questions and more. Each book in the Managing Our Resources series examines a valuable natural resource, explaining where the resource is found, how it is extracted and processed, what it is used to make, and how the resource can be used sustainably.