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Did you know culinary salt is the mineral halite? Or that the pigment vermillion is powdered cinnabar, a mineral whose name comes from the Persian for "dragon's

Explains how to start and organize a rock collection; provides detailed descriptions of hundreds of minerals with information on geographic distribution, physic

A stunning visual reference book for little geologists who love to find fascinating rocks all around them. Identify colorful gemstones, sparkly crystals, the to