Nature Guide Rocks and MineralsBy: DK Series: DK Nature Guides 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 blood"? Discover the extraordinary mineral treasures that form our planet and that today we use in everything, from makeup and cookery to agriculture and high tech. Rocks and Minerals is your essential collector's companion, with illustrated entries on hundreds
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