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New Diamond Discovered In Kamchatka
August 12, 2015 14:48


(Source: http://newstes.ru/v-mire/page/53)

Scientists have discovered a new diamond of a previously unknown type in the solidified lava from the eruption of the Kamchatka Plosky (Flat) Tolbachik volcano, as the official website of the Ministry of Education and Science of the Russian Federation reports.

The eruption that contributed to the discovery took place in 2012-2013. It was not quite usual – the eruptions of this kind are called “crack” ones. Its feature is that the lava flows not from the crater of the volcano, but from cracks on its slopes.

Scientists emphasize that the history saw only seven major eruptions of this type: two in Iceland in X and XVIII centuries, two times in Mexico in XVIII and XX centuries, one of the Canary Islands in XVIII century, and two times on Tolbachik in the years 1975-76 and 2012-2013. The message emphasizes the fact that hundreds of diamonds have been extracted from small samples of solidified lava until now. Although there are not so many diamonds from Tolbachik, all of them are large enough. Interestingly, the “diamonds from the volcano”, according to the scientists, are very similar to synthetic, artificial gems. However, their natural origin is not to be doubted, though they differ from all previously known types of gemstone in the majority of mineral and geochemical characteristics – from combustion temperature to the composition of trace elements.

Geologists came up with the theory that the formation of diamonds from Tolbachik involved a lightning that struck volcanic gases containing carbon. The method of producing diamonds from the gas with a use of a strong electrical discharge was patented in France in 1964. It is possible that Russian geologists found the natural analogue of French synthetic diamonds created by nature millions of years ago in Tolbachik lava. Researchers do not exclude that such diamond deposits can compete with traditional kimberlite ones in the future, according to Nord-News.


Sources: http://lenta.ru 


Author: Anna Dorozhkina

Tags: Kamchatka     

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