Weird stuff – type VII water ice found inside diamonds:
Scientific analysis of diamond impurities – known as inclusions – reveal naturally forming ice crystals and point to water-rich regions deep below the Earth's crust A UNLV scientist has discovered the first direct evidence that fluid water pockets may exist as far as 500 miles deep into the Earth's mantle. Groundbreaking research by UNLV geoscientist Oliver Tschauner and colleagues found diamonds pushed up from the Earth's interior had traces of unique crystallized water called Ice-VII .
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