Dig and discover crystals

"You've been rock hunting in a mine for hours when something sparkly catches your eye. As you clear the dirt from around the crystal, you know your long hunt was worth it. You're holding a shiny blue sapphire! Find out how crystals form, where they are found, and about some of the most amazing crystal discoveries. Then learn how you can find and collect diamonds, emeralds, rubies, and other dazzling crystals too!"--Provided by publisher.