• Diamond Facts for Kids

    The diamond is a precious stone that lots of people would love to own. In fact, the first diamond every given in an engagement ring was way back in 1477. Archd

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  • Coal Facts for Kids

    Coking coal is used in steel manufacturing; Activated carbon (form of coal) is used in water filtration, like in a fish tank filter. The by-

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  • Gold - Wikipedia

    Gold is a chemical element with the symbol Au (from Latin: aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturall

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