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phrunt

A Diamond With Another Diamond Inside It Found In Siberia

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https://www.news.com.au/technology/science/archaeology/ultrarare-diamond-with-another-diamond-inside-found-in-siberia/news-story/fc36004d80fd986200447dffab326b4f

Miners have unearthed an ultra-rare diamond with a second diamond inside it.

The inner gem is loose inside the first diamond, moving around freely — and could be the first example of such a diamond ever found in the world.

This rare gem is believed to have formed around 800 million years ago.

It was dug up by Russian diamond miners Alrosa at the Nyurba mine in Siberia.

Scientists then used X-rays and other scanning techniques to confirm the presence of a second diamond inside the first.
A diamond within a diamond has wowed the world.

A diamond within a diamond has wowed the world.Source:Supplied

“Based on the results of the study, the scientists made a hypothesis about how the crystal was formed,” Alrosa said.

“According to them, there was an internal diamond at first, and the external one was formed during the subsequent stages of growth.”

The gem has been dubbed the Matryoshka diamond after the Russian nesting dolls of the same name.

The outer stone weighs 0.62 carats, while the inner gem weighs 0.02 carats.

“As far as we know, there has been no such diamond in the history of global diamond mining,” said Oleg Kovalchuk, of Alrosa.

“This is really a unique creation of nature, especially since nature abhors a vacuum.

An X-ray view of the diamond inside another diamond.

An X-ray view of the diamond inside another diamond.Source:Supplied

“Usually, in a case like this, the minerals would be replaced by others without forming a cavity.”

He added: “The most interesting thing for us was to find out how the air space between the inner and outer diamonds was formed,” said Oleg Kovalchuk, of Alrosa.

The diamond will now be sent to the Gemological Institute of America for further analysis.

Researchers haven’t estimated its worth yet — it will be difficult due to the gem’s rarity, they say.

However, they do have one theory as to how it formed.

“A layer of porous polycrystalline diamond substance was formed inside the diamond because of ultra-fast growth,” Alrosa scientists explain.

“And more aggressive mantle processes subsequently dissolved it.

“Due to the presence of the dissolved layer, one diamond began to move freely inside another — just like a Matryoshka nesting doll.”

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So in other words it's flawed and can't be mounted on a ring.

That's a good thing because my wife would want it.

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13 hours ago, phrunt said:

“This is really a unique creation of nature, especially since nature abhors a vacuum."

He added: “The most interesting thing for us was to find out how the air space between the inner and outer diamonds was formed,” said Oleg Kovalchuk, of Alrosa.

(Emphasis mine.)

Where are they getting this vacuum idea/comment from?

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That is a miracle of geology if there ever was one, thanks for posting!

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