[meteorite-list] techical advice

[Pat Brown]

Hi Dave, 
 
I would avoid the use of a torch. A tool that every
meteoriticist should have at her or his disposal is a
diamond file. These can be purchased from Woodcraft:

http://www.woodcraft.com/family.aspx?familyid=5910

The medium grit file should work well for your
purpose. Being a meteorite hunter, I have all 3;
although the finest grit file is mighty slow cutting.
The coarsest file is the most suitable for testing a
suspect meteorite. 

As an extra added feature, these can be used for a
quick touch-up on the edge of your pocket knife!

Disclaimer: I have no financial interest in Woodcraft
Inc. other than being a satisfied customer. I would be
grateful if one of my fellow listees would let me know
if there is an agreement prohibiting posting of
commercial URLs.

With Best Regards, 
             Pat Brown (meteorite hunter and     
                        woodworker)

--- Dave Harris <entropydave at ntlworld.com> wrote:

> Hi
> 
> 
> One of my lumps of LDG has a very small (<3mm) chip
> in it - ordinarily it
> wouldn't bother me at all, but it's left a teeny
> sharp pointy bit sticking
> out that  always catches one's hand.
> 
> 
> What would be a appropriate way to remove this
> point? My initial thought was
> to carefully play a blowtorch across the asperity to
> melt it down and reduce
> the sharpness, but would i end up with an exploded,
> thermally shocked
> handful of glass chips?
> 
> Abrasives could also be used, but I'd feel more
> comfortable with a blowtorch
> and being careful( used to  make glass labware when
> I was a kid - not too
> successfully, but without serious accidents!)
> 
> Or should I just leave well alone?!
> 
> 
> Anyone out there with experience with LDG?
> 
> 
> Ta!
> 
> 
> 
> 
> 
>  
> Dave
> IMCA #0092
> Sec.BIMS
> www.bimsociety.org
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