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Crystal & Gem (DK Eyewitness)

Crystal & Gem (DK Eyewitness) Dorling Kindersley by R.F. Symes (Author) Admire the Beauty and Versatility of Crystals and Gems―from Their Use in Elegant Publisher ‏ : ‎ DK Children; Reprint edition (June 16, 2014) Language ‏ : ‎ English Paperback ‏ : ‎ 72 pages ISBN-10 ‏ : ‎ 1465420525 ISBN-13 ‏ : ‎ 978-1465420527 Reading age ‏ : ‎ 8 - 12 years Grade level ‏ : ‎ 3 - 7 Describes the basic shapes of crystals and other aspects of crystallography, including how they form in nature, how crystals are studied and identified, what gives them their amazing color, and how they are used in everyday life Includes index "Supports the Common Core state standards"--Cover What is a crystal? -- A world of crystals -- Natural beauty -- On the surface -- Inside crystals -- Crystal color -- Identification -- Natural growth -- Good habits -- Extraction -- Growing crystals -- Crystals at work -- Good vibrations -- Quartz -- Diamond -- Corundum -- Beryl -- Opal -- Other gemstones -- Collector's items -- Stones for carving -- Precious metals -- Organic gems -- What is it worth? -- Cutting gems -- Lore and legend -- At home -- Did you know? -- Identifying gemstones -- Find out more See crystals of every co

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