scienfic american [New Mineral Discovered in Deep-Earth Diamond]
I red an article about mineral. A diamond that formed deep in the earth's mantle contains a mineral never seen before in nature, but it was discovered these days. The discovery is a rare glimpse into the deep mantle and may help reveal new information about the structure of the planet at depths of more than 660 kilometers. In short, it can help geologists better understand how the mantle controls the earth's plate tectonics.
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