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Mechanism of oxygen activation on barium-containing perovskite materialsA research team led by Prof.

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In Your Element! The Chemistry of FireworksThe art of using mixtures of chemicals to produce explosi

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arockmaniac:Benitoite crystal from the Dallas GemMine, San Benito County, California.  While this on

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arockmaniac:Benitoite crystal from the Dallas GemMine, San Benito County, California.  While this on

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Benitoite: California’s state gemstone.This blue lovely is only found in sizes larger than san

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Uranocircite Uranium minerals, despite their radioactivity and toxicity tend to have vivid and prett

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