Learn all about sparkling gemstones and eye-catching crystals in this handy reference guide for young readersFrom the rarest crystal to the most common stone, gems from around the world are revealed in dazzling detail in this illustrated guide. Discover what exactly crystals and gems are, how they're formed, how to identify them, and how they can be used in everything from microchips to jewellery making.How can a rough diamond become a show-stopping centrepiece? Where does labradorite get its colours? Why are there quartz crystals in clocks and watches? How can crystals be grown in a laboratory?Packed with essential information, this edition is more interactive than ever with new infographics, statistics, and facts. Readers will also get a giant fold-out wall chart packed with crystals and details about their uses, which serves as a useful reference tool on your bedroom or classroom wall. Eyewitness Crystal & Gem is the perfect guide for homework help on crystals or for those who simply want to further their knowledge of these fabulous natural creations.Part of DK's best-selling Eyewitness series, which is now getting an exciting makeover, this popular title has been reinvigorated for the next generation of information-seekers and stay-at-home explorers, with a fresh new look, new photographs, updated information, and a new "eyewitness" feature - fascinating first-hand accounts from experts in the field.