Gems for Kids: A Junior Scientist's Guide to Mineral Crystals and Other Natural Treasures

What do dusty old rocks have to do with the shiny, colorful jewels that you see in rings and necklaces? Everything! Set off on a journey inside Earth and learn the different ways our planet uses rocks and minerals to make gemstones. Discover how some grow in red-hot magma deep underground, while others are made by animals or plants, plus fun facts about their colors, shapes, uses, and more. You'll even lea...