Every second of every day, deep inside the Earth, precious metal, beautiful crystals and vast rocks are being formed. "Investigations: Rocks and Minerals" reveals the hidden secrets of the world beneath your feet. Find out how new rocks are created, and how minerals are mined. Discover the strange and beautiful shapes of crystals and find out which minerals are used to make everyday things. Nine practical projects help you to understand how geologists work, showing you how to grow your own crystals, pan for gold, make home-made concrete and much more.
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