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 vibtrations -- 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.
Summary:
Describes how crystals form in nature, how crystals are grown artificially, and how crystals are used in industry. Numerous color photos with text identify the various gemstones.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.