Hello Darren  these are not the carbonados(sp) --the comet related diamonds of 
extra hardness.  Carbonados can't even be cut as they are stronger than 
terrestrial diamond dust which is used to cut diamonds.  When used in drill 
bits they are fused as found into the metal.

Elton



----- Original Message ----
> From: Darren Garrison <[email protected]>
> To: [email protected]
> Sent: Friday, December 26, 2008 11:17:18 AM
> Subject: [meteorite-list] Possibly meteorite related sale
> 
> Got an after-Christmas sales ad from Buy.com.  One of the items listed is 
> black
> diamonds:
> 
> http://www.buy.com/prod/3-00-ctw-black-diamond-solitaire-pendant-stud-earrings-set-in-white/q/loc/64934/210453208.html
> 
> Which, I remember, are suggested to have a possible asteroidal origin:
> 
> http://news.nationalgeographic.com/news/2007/01/070122-black-diamonds.html
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