"Dig down into the history of rocks, minerals, and other treasures and uncover the stories behind these marvelous materials. From dazzling gems to beautiful buildings, this book for children aged 9+ is filled with rocks and minerals, each one with a tale to tell. Treasures of the Earth is a tale of our fascination with precious things--how they were made, how we've used them and how their legends grow with each year that passes. Packed with striking visuals, gems of geological information, and stories from cultures all around the world, this book is a must-have for budding rockhounds and curious kids."-- Provided by publisher.