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On Earth, the hardest natural resource is diamond.
Diamonds are formed under extremely high pressure and temperature at a depth of 150-700 km. Then, thanks to volcanic rocks with a high content of gases, samples of the Earth's mantle are pushed out in just a few hours towards the Earth's surface.
These samples (kimberlites, in some areas lamproites) contain separate, in most cases octahedral transparent crystals - natural diamonds.
In the mining industry, by crushing the kimberlite rock, diamonds are finally raised to the surface of the Earth.
And that's what's interesting! There are planets that also have diamonds. But, not like on Earth, but in the form of diamond oceans.
So, on the outer edge of the solar system there are two ice gas giants - Neptune and Uranus, which can have incredible oceans of diamonds.
Both planets have similar atmospheres, as well as a surface of water, ammonia and methane ice. Despite the icy surface, the temperature in the cores of the planets ranges from 1727 to 4727 degrees Celsius.
It is under such extreme conditions that methane breaks down into its main components, one of which is pure carbon, which, under enormous pressure, then turns into diamonds.
The high pressure combined with the high temperature causes the diamonds to melt, forming diamond oceans in the planets' mantles.
Just as water in solid form floats on the surface of liquid water, diamond islands and icebergs of solid carbon will float on the surface of the oceans of liquid diamond. There are even theories suggesting that Uranus also rains diamonds.
If in fact there are similar diamond oceans on Uranus and Neptune, then humanity will finally get an explanation why both planets have shifted axes of magnetic poles.
