Home / NewTech / Researchers find that the British crown jewels and diamonds from Smithsonian’s Hope in Earth-Technology News, Firstpost, come from “super deep”

Researchers find that the British crown jewels and diamonds from Smithsonian’s Hope in Earth-Technology News, Firstpost, come from “super deep”



Researchers have now found evidence that some of the world’s most impressive diamonds were created much deeper in the Earth’s mantle than previously thought.

according to to a report in Phys.orgit means that the Smithsonian̵

7;s famous Hope diamond can actually have been created more than three times deeper than other diamonds.

The report adds that the ‘crown jewels’ Cullinan diamond could also be a “super-deep” gem.

    Researchers find that the British crown jewels and Smithsonians Hope diamonds come from the depths of the earth

Smithsonian’s famous Hope diamond may be more than three times deeper than other diamonds. Photo credit: Wikipedia

A Report in Daily mail The largest rough diamond ever found, weighing 3,106.76 carats, the Cullian was excavated from a mine in South Africa in 1905. The diamond was brought by the government of the Transvaal colony in 1907 and presented to King Edward VII as a gift.

The king then had the rough stone cut by Joseph Asscher & Company from Amsterdam into nine main and 96 minor stones. The two largest stones are in pride positions as centerpieces in the crown jewels.

Dr. Evan Smith of the Gemological Institute of American (GIA) confirmed at the Goldschmidt Geochemistry Conference that the first large gem diamonds came from the lower mantle, which is many times deeper than most other diamonds. reported Eurekalert.

Smith added, “The results support previous predictions based on smaller gemstones, suggesting that diamonds with properties similar to those examined, including Cullinan and Hope, are super-deep diamonds.”

The diamonds were found in a mine in South Africa in 1905 and presented to King Edward VII as a gift. Photo credit: Wikipedia

The diamonds were found in a mine in South Africa in 1905 and presented to King Edward VII as a gift. Photo credit: Wikipedia

The Phys.org The report mentions that while most of the diamond is based on the continental tectonic plates, some rare diamonds or “super-deep” diamonds form under the continental plates on which the mantle moves slowly.

After a Report in New AtlasGemological Institute of America (GIA) researchers say they’ve found evidence that diamonds form closer to the mantle. According to the report, the team examined two large diamonds – a 20 carat Type IIb blue diamond discovered in South Africa and a 124 carat CLIPPIR diamond from Lesotho. Using a spectrometer, they found the remains of a mineral called bridgmanite, which is a smoking weapon for a super-deep formation.

Smith revealed that bridgmanite does not exist in the upper coat. The researcher added: “What we actually see in the diamonds when they reach the surface is not bridgmanite, but the minerals that remain with decreasing pressure when they are mined. If these minerals are enclosed in a diamond, the diamond itself must crystallize Its a depth where Bridgmanit exists, very deep in the earth. “

This means that the Hope Diamond on display at the Smithsonian is a blue type IIb diamond and the Cullinan diamond is a CLIPPIR diamond. So both are probably “super deep” diamonds.

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