Rocks, Minerals & Gems

Rocks, Minerals & Gems

InRocks, Minerals, and Gems, readers will learn about hundreds of rocks, minerals, crystals, and gems that were forged by the most powerful events in prehistory. Explore what specimens look like and how they're used today--readers can use the information to identify rocks and minerals themselves and open up a spectacular new world.Find out all about star stones and cat's eyes, megagems, and phantom quartz. Discover which rocks fluoresce, which mineral once poisoned an emperor, and which gems are the rarest in the world!Features a beautiful cover with special effects!From School Library JournalGr 5-8-A browser's delight but less useful for reference, this hefty album features hundreds of sharply reproduced close-up photos of geological specimens-including fossils, meteorites, China's terra-cotta army, and amber with small animals inside. The contents, arranged in no particular order within each of the three titular sections, include just over 100 entries ranging in scope from copper and coral to arrays of glittering gems in both cut and natural states. Every specimen is painstakingly labeled, and each full entry also lists descriptive comments, notes on uses in art or industry, and selected technical data, such as specific gravity, cleavage, and "crystal system." This information is presented in an unsystematic, abbreviated jumble that will be indigestible to readers who are still hazy on what a "transition metal" is and, for that matter, even the difference between a rock and a mineral. Additionally, the glossary and index are far from comprehensive. Active young rock hounds may find this volume fun to flip through, but for collection and identification purposes Ronald Bonewitz's Rocks and Minerals or any similar handbook will do better service. VERDICT Dazzling photos, and lots of them, but not a primary purchase.-John Peters, Children's Literature Consultant, New York CityAbout the AuthorSean Callery is a teacher and an author of fiction and nonfiction for kids.Miranda Smith is an experienced editor who has written many books for both children and adults on subjects ranging from sharks and the human body to ancient Egypt and courgettes. Having raised three children in east London, she still lives in the family home with her husband and two cats.