[meteorite-list] Slump glass meteorite protection/display

[STARSANDSCOPES at aol.com]

I was just asked if I was Army.  No, I am the proud dad of a son who  is Army 
EOD  (Explosive Ordinance Disposal).  He is a bomb  guy.   
 
I am boring by comparison!  Spending my nights looking at thin  sections.  
(Thanks to Jeff Hodges and Greg Hupe, my thin section  benefactors) 

Tom

In a message dated 2/8/2009 10:07:06 P.M.  Mountain Standard Time, 
STARSANDSCOPES at aol.com writes:
Cool,  The army  says HUA (Heard, Understood  and Accepted), well HUA.  
However, I  know the Higgins (famous for slump  glass) had all those issues 
but were  
able to overcome them in many  materials.  Slow heating and  cooling can 
solve 
a lot.

Please keep in  mind I am not vested in  this idea, just wondering.  Tom

In a message  dated 2/8/2009  9:57:12 P.M. Mountain Standard Time, 
edeckert at triad.rr.com   writes:
Tom,

I would be very afraid of the olivine cracking (at  the  least)  --  and at 
the worst, cracking and crumbling out  of the  iron, leaving you with a 
falling-apart mess sandwiched between  two layers of  cracked glass.  The 
glass is likely to crack due to  the stress of the  heating and cooling too.

Better you should not  heat it, but either use  the dessicant as suggested in 
the article, or  perhaps displace the air with  a dry, inert gas like 
nitrogen, and  sealing it in.

That's my 1½ cents  (allowing for currency conversion  fees depending on 
where 
you are in the  world.)

Ed  Deckert
IMCA #8911


----- Original Message -----  
From:  <STARSANDSCOPES at aol.com>
To:   <meteorite-list at meteoritecentral.com>
Sent: Sunday, February 08,  2009  11:31 PM
Subject: [meteorite-list] Slump glass meteorite   protection/display


> Hi list,  A couple weeks ago there  was  a  thread on encasing meteorites in
> resin.  Also in  this  months Meteorite  Times there was a nicely written 
>  article
>  Preserving meteorite slices in  home-made glass  mountings, by Gregory E  
> Carr
>   http://www.meteorite-times.com/meteorite_frame.htm
>
> I was   wondering if  anyone has tried slump glass.  This is the process   
> where
> a sandwich of  glass with a meteorite slice in  the  middle is heated to the
> point of fusing the  outside  glass  sheets.   It would drive out all 
> moisture
>  while   completely sealing in the sample.  Some material would  melt at 
the 
>  same
> temperature as the glass but irons and  most stonies would  not.   What 
> about
> Olivine,  would the melt point of  Olivine be higher than the   glass?
>
> Would this work?  I  have seen some real cool  stuff fused into  glass this
>  way.
>
>  Tom
>
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