An unusual diamond with another diamond trapped inside has been discovered in Russia, and may be over 800 million years old. The diamond has the dubbed the Matryoshka diamond, thanks to its resemblance to the traditional Russian Matryoshka dolls - a set of wooden dolls of decreasing size placed one inside another. An unusual diamond with another diamond trapped inside has been discovered in Russia, and may be over 800 million years oldThe inner diamond has a tabular shape, and has dimensions of 1.9 × 2.1 × 0.6 mm (0.07 x 0.08 x 0.02 inches). Experts have been studying the unusual diamond using several methods, including infrared spectroscopy and X-ray microtomography. 'According to the second version, a layer of porous polycrystalline diamond substance was formed inside the diamond because of ultra-fast growth, and more aggressive mantle processes subsequently dissolved it.

Source: Daily Mail July 12, 2021 10:29 UTC