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Topic: Which element is a black powder and sometimes a precious stone?  (Read 4361 times)

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Offline ScottO

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Which element is a black powder and sometimes a precious stone?
« on: September 05, 2006, 02:26:29 PM »
Which element is a black powder and sometimes a precious stone? The only one I can think of is carbon, but a precious stone??? I wouldn't have thought so.
« Last Edit: September 05, 2006, 07:33:34 PM by geodome »
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Offline Borek

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Re: Black powder
« Reply #1 on: September 05, 2006, 03:10:08 PM »
You are on the right track. Google for the allotropic forms of carbon.
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Offline ScottO

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Re: Black powder
« Reply #2 on: September 05, 2006, 03:53:08 PM »
That's great, many thanks Borek!
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Offline P-man

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Re: Black powder
« Reply #3 on: September 05, 2006, 06:23:16 PM »
It IS carbon. Black powder and... precious stone (diamond is carbon, only extremely compacted).
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