[meteorite-list] Black diamonds

From: Steve Schoner <schoner_at_meteoritecentral.com>
Date: Fri, 10 Apr 2009 14:26:20 GMT
Message-ID: <20090410.082620.6926.0_at_webmail09.dca.untd.com>

Steve, and all,

There are in fact terrestrial "black" diamonds. A these are like all the "normal" diamonds with an octahedral crystal structure.

Just because they are termed "black" does not make them carbonados. In fact most carbonado diamonds are not black. They can be brown, sandy brown, green, dark green and gray, and all the way to pitch black.

But what distinguishes them from all normal octahedral crystal black diamonds is their porous structure, A clear indication that they formed in a very low pressure environment, such as in space as Dr. Haggarty proposed with regards to his research.

It is interesting to note the fact that they are found only on the shores of two continents. And if you put the two land masses of Africa and South America together the spots coincide.

So that said, just because a diamond is black does not make it a "carbonado."

If one puts a normal octahedral black diamond against a true carbonado, the difference is very apparent even without magnification.

The question remains. Where did these carbonados come from, if no mechanism for their formation can be found on earth?

Steve Schoner
IMCA #4470


[meteorite-list] Black diamonds
Steve Dunklee sdunklee72520 at yahoo.com
Fri Apr 10 06:53:57 EDT 2009

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If you ever have the chance to travel to Crater of diamonds state park in Arkansas they have a nice display of diamonds mined from the volcanic vent to include black cabanado diamonds. If they are meteoric ,the meteorite hit somwhere in China, passed all the way thru the earth to erupt here in a volcano. Yea right lol!

Have a nice day

Steve

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Received on Fri 10 Apr 2009 10:26:20 AM PDT