[meteorite-list] Stability of Sericho (Habaswein)
bigjohnshea at mail.com
Mon Dec 4 13:40:14 EST 2017
I got my sealed full slice of Habaswein from Rob many months ago and don't see a lick of rusting on it. Sealant appears to be working great. :-D
If I were in the market for a specimen, I'd listen to the guy who actually has experience working with the meteorite in question.
Large multi-kg specimens of Habaswein do sell in the 0.5$/g range. Expertly prepared slices do not. They sell for 8-10 times that price. That distinction needs to be made.
John A. Shea, MD
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On 12/4/17 at 11:14 AM, Adam Hupe via Meteorite-list wrote:
> My advice is to stay away from any sliced pieces with a lacquer or
> clear-coat surface. It is sign that shortcuts were taken in its
> preparation. Proper polishing reduces the surface area on cut pieces of
> any meteorite aiding in the prevention of "lawrencite disease." Not
> only that, these coatings will accelerate the deterioration process by
> trapping moisture. It is important to store this material in low
> humidity environments with plenty of air circulation. Also, exposure to
> direct sunlight will cause the crystals to darken with time.
> A lot of collectors are in the wait and see mode since there are several
> metric tons of this material available. The lowest price I have seen was
> around 46 cents a gram for a recently sold piece on eBay.
> Happy Collecting,
> On 12/2/2017 5:14 AM, Andrey via Meteorite-list wrote:
> > Hello Dear List Members,
> > Just a small question to new Sericho (was Habaswein) Kenya pallasite
> > owners, dealers, cutters: how stable is it?
> > From my own experience I noticed its extreme degree of instability,
> > similar to Admire or even more... Is this unlucky piece, just fortuity
> > or is it really so?
> > Thanks in advance for your answers,
> > Andrey,
> > IMCA#6240
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