From the rarest crystal to the most common stone gems from around the world are revealed in dazzling detail in this illustrated guide. Become an eyewitness to the many different varieties of crystals and gems in this pictureled reference guide that will take you on a visual tour of the world of precious stones. Children will be mesmerised by the many uses of rocks like quartz and understanding crystals from dazzling jewellery to diamond cutting tools and the silicon chip in their phone.This illustrated guide for kids aged 9 reveals what exactly crystals and gems are how theyre formed how to identify them and how they can be used in everything from microchips to jewellery making.Throughout the pages of this newlyrevised book on precious stones you can expect to find A fresh new look new photographs updated information and a new eyewitness feature. Amazing facts updated diagrams statistics and timelines. Brand new eyewitness accounts from experts in the field.Eyewitness Crystal amp Gem features striking fullcolour photographs of beautiful stones including pearl and shell jet and amber quartz crystals precious metals gemstones and much more In this guide curious children can find the answers to questions like how can a rough diamond become a showstopping centrepiece Where does labradorite get its colours Why are there quartz crystals in clocks and watches How can crystals be grown in a laboratory So whats new Part of DKs bestselling Eyewitness series this popular title has been reinvigorated for the next generation of informationseekers and stayathome explorers with a fresh new look up to 20 percent new images including photography and updated diagrams updated information and a new eyewitness feature with fascinating firsthand accounts from experts in the field.Explore the seriesGlobally the Eyewitness series has sold more than 50 million copies over 30 years. Travel through the solar system with Eyewitness Space discover the incredible world of creepycrawlies in Eye