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A comment on A Bizarre Form of Water May Exist All over the Universe (2019).

Re:A Bizarre Form of Water May Exist All over the Universe (... by blululu on Monday September 06, 2021 @08:03AM (#28432851)
Nautilus recently had a great article about this state of water in the context of our solar systems ice giants Neptune and Uranus: http://m.nautil.us/issue/102/hidden-truths/the-planets-with-... I think the line that really stood out to me is ‘in most of the universe rivers of water and coal are rare and ice XVIII and diamonds are common’
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Re:A Bizarre Form of Water May Exist All over the Universe (... by lisper on Monday September 06, 2021 @01:40PM (#28436085)
Diamonds are actually common here on earth too. The idea that they are rare is propaganda spread by the DeBeers cartel.
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Re:A Bizarre Form of Water May Exist All over the Universe (... by jazzyjackson on Monday September 06, 2021 @04:10PM (#28437511)
Diamonds are common in an economic sense, there's plenty to go around. But as far as planetary geology goes, diamond is a pretty small share of the crust. I suppose there may be large diamonds in the mantle, that would be cool to see.

But maybe it is similar across the galaxy, except for the odd moon-sized diamond here and there, a light dusting of micro-diamonds.

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Re:A Bizarre Form of Water May Exist All over the Universe (... by lisper on Monday September 06, 2021 @04:31PM (#28437736)
> there may be large diamonds in the mantle

Indeed:

https://gizmodo.com/is-the-earths-mantle-full-of-diamonds-18...

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