[Rockhounds] Scientists create diamonds at room temperature in minutes

[J Bryan Kramer]

>
> " The gemstones are usually created after carbon is crushed and heated far
>> beneath the Earth's surface over billions of years -- which is what makes
>> them so coveted."
>>
> No what makes them so coveted was the DeBeers advertising campaign
launched back in the 1920's and 30's paying women film stars to wear a
diamond ring at their weddings that implanted that idea in the heads of the
female half of the species. And then DeBeers controlled the supply of
stones keeping the prices high.
BK
N

““There exists a law…inborn of our hearts…by natural intuition. … If our
lives are endangered by plots or violence or armed robbers or enemies, any
and every method of protecting ourselves is morally right.””
Cicero

J Bryan Krämer       North Florida, USA
photos at: http://pbase.com/photoburner


On Fri, Nov 20, 2020 at 8:40 AM Kreigh Tomaszewski <kreigh at gmail.com> wrote:

> Diamonds
> <https://cnn.com/style/article/diamonds-from-sky-scli-intl-gbr/index.html
> >might
> be forever, but that doesn't mean they have to take eons to form.
> The gemstones are usually created after carbon is crushed and heated far
> beneath the Earth's surface over billions of years -- which is what makes
> them so coveted.
> Now, scientists in Australia say they have sped up the process into just a
> matter of minutes -- and at room temperature.
> An international team of researchers led by the Australian National
> University (ANU) and RMIT University in Melbourne, Australia said Wednesday
> they have created two types of diamond at room temperature by using high
> pressure equivalent to 640 African elephants balancing on the tip of a
> ballet shoe.
> The researchers said they were able to create two types of structurally
> distinct diamonds -- one similar to those typically worn in jewelery, and
> another type called Lonsdaleite, which is found naturally at the site of
> meteorite impacts and is harder than most diamonds.
>
> https://www.cnn.com/2020/11/19/world/diamonds-room-temperature-scli-intl-scn/index.html
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