[meteorite-list] Polishing Chondrite Slices

From: Impactika at aol.com <Impactika_at_meteoritecentral.com>
Date: Thu, 3 May 2007 22:07:14 EDT
Message-ID: <bfb.157bc23f.336bef52_at_aol.com>

In a message dated 5/3/2007 1:27:02 P.M. Mountain Standard Time,
marcin at polandmet.com writes:
> Hi, This is Tom Phillips, the microscope guy, which really means the
> polishing guy. I have to agree, Ghubara is both tough to polish with out
> scratches
> and when I revisited some polished slices I had made a year ago, all were
> good except the Ghubara. It had to be repolished before any scope time.
>
> Perhaps some one can suggest a sealing method that would work for your
> sphere?

I think in that case You must make the same "tricks" like with iron
meteorites.
Using oil +heating or try to put it into red devil solution to remove all
acids that can start rusting. Ghubara must fall in very "bad" place, thats
why he is now heavy ruster.

-----[ MARCIN CIMALA ]-----[ I.M.C.A.#3667 ]-----
 
I am sorry but I have to disagree with both of you.
Ghubara is not a ruster. In fact it is quite stable. Look at this one:

_http://www.impactika.com/catpix/AB145.jpg_
(http://www.impactika.com/catpix/AB145.jpg)
 
I have had it a couple years, it is in a Riker mount, no special care at
all. And it is just fine. And I have a few other slices of Ghubara, all are in
Rikers, and there is no rust on anyone of them.
In fact, I think that Ghubara is a very pretty, very interesting meteorite,
and greatly under-rated. But then I like those dark meteorites, they look like
 thousands of stars in a dark night sky.

Anne M. Black
www.IMPACTIKA.com
IMPACTIKA at aol.com
President, I.M.C.A. Inc.
www.IMCA.cc
 



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Received on Thu 03 May 2007 10:07:14 PM PDT