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Rocks, Minerals and Crystals for Earth Science Fun
描述: Information, activities, and lesson plans on rocks, minerals, and crystals designed for students and teachers.
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RocksForKids is The web site about rocks and minerals written for kids with the most Links to kid-friendly rock information on the Web
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Sexy success is waiting for you, learn the timeless principles that all the world's legends have used.
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Everything that you need to make tumbled stones with a rock tumbler. Videos, instructions, information, supplies and more.
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mineralminers.com: your on-line link direct to the mines and lapidary shops for mineral specimens, crystals, gemstones, jewelry, spheres & crystal balls, facet ...
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Society for the advancement of mineralogy, crystallography, geochemistry, and petrology, and promotion of their uses in other sciences, industry, and the arts.
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Online healing crystal and mineral store offering beautiful stones with potent energies. Collections include tumbled stones, gems, healing minerals, and spiritual ...
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Largest online shop for crystal and gemstone jewellery, healing crystals, fossils, gemstones, tumble stones, minerals & more. We stock over 3,000 products and ...
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3.1 / 5.0, 语: English