Crystal and GemLearn all about sparkling gemstones and eye catching crystals in this handy reference guide for young readers From 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
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