First-ever Diamond Within a Diamond Found in Russia 俄羅斯挖到前所未見的鑽石套鑽石






It was a gem of a find. A diamond that was recently extracted from a mine in Yakutia, Russia, had a surprise lurking insidea tiny, second diamond.



The outer diamond measured about 0.2 inches 4.8 millimeterslong, while the wee stowaway spanned about 0.08 inches2 mmlong and weighed about 0.0001 ounces0.004 grams. The hidden gem rattled around inside an air pocket at the heart of the larger stone, and Russian experts who examined the peculiar double gem declared it the only known example of a diamond with another diamond inside it, according to a statement.



According to the statement, scientists believe the diamond to be around 800 million years old and suspect that either the smaller diamond formed first and was surrounded by the larger diamond or a layer of crystal.



This unusual diamond-in-a-diamond drew comparisons to a traditional Russian toy called a matryoshka doll, in which successively smaller wooden dolls are nested inside bigger dolls.



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