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Can you melt a diamond? Answered

The title says it all.

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lemonieBest Answer (author)2010-11-23

Theoretically yes.
Practically you'd probably use very-expensive high-powered lasers or something like...

L

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jtobako (author)2010-11-24

With enough heat and pressure, yes.

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steveastrouk (author)2010-11-23

AFAIK it doesn't melt, in the absence of oxygen, it sublimes.

Steve

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ganglion (author)steveastrouk2010-11-23

Doesn't this depend on the pressure? If you were sufficiently determined you could probably melt it in some kind of high pressure high temperature press.

I think it must be possible in the conditions inside the earth because they were formed from molten rock in the first place.

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steveastrouk (author)ganglion2010-11-24

That's true, I was thinking more ambient.

Steve

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AndyGadget (author)2010-11-23

At a rough guess (and a quick poke with a Well Known search Engine)  I'd say 3550 degrees celcius.

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