[meteorite-list] How to tell IMB Gaos from normal

[Michael Farmer]

I would say 1 out of every 500 or more.
You will not miss them, they are clearly visible as
large melt section visible on the outside.
mike
--- MeteorHntr at aol.com wrote:

> Michael,
> 
> Actually, yes I have seen impact  melts before.  But
> to be honest, I am not 
> sure I have seen the outside of a  Gao IMB.  It
> might be that I don't have any 
> in the batches I have had  currently or before. 
> 
> I will assume if none of the ones I have now look 
> like a typical IMB, then 
> that is probably the case.
> 
> How rare are the IMB  stones from Gao anyway?  1 out
> of a hundred?  More?   
> Less?
> 
> Steve Arnold
> Arkansas
> MrSteveArnold.com 
> 
> 
> In a  message dated 4/23/2008 3:48:49 P.M. Central
> Daylight Time,  
> meteoriteguy at yahoo.com writes:
> Come on Steve, have you never seen the outside  of a
> Gao impact-melt piece, or any impact melt for that
> matter? It is  extremely easy to tell, it wont have
> fusion crust on the melt parts, they are  glassy and
> much harder.
> Michael Farmer  
> 
> 
> 
> 
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