[meteorite-list] Stability of Sericho (Habaswein)

[Rob Wesel]

Oops, Chevy

https://www.ebay.com/sch/i.html?_odkw=1955+ford&LH_PrefLoc=2&_sc=1&_sop=3&_sticky=1&_trkparms=65%253A16%257C66%253A4%257C39%253A1&_osacat=0&_ipg=200&_from=R40&_trksid=p2045573.m570.l1313.TR12.TRC2.A0.H0.X1955+chevy.TRS0&_nkw=1955+chevy&_sacat=0

Rob
--------------------------------------------------
From: "Adam Hupe via Meteorite-list" <meteorite-list at meteoritecentral.com>
Sent: Monday, December 04, 2017 5:58 PM
To: "metlist" <meteorite-list at meteoritecentral.com>
Subject: Re: [meteorite-list] Stability of Sericho (Habaswein)

> The fact that dealers are applying sealants and anti-rust coatings to this 
> Pallasite, like an old 55 Chevy from the East Coast, indicates that 
> Sericho (Habaswein) is indeed a ruster.  I received several reports today 
> of rusticles, green goo, chemical smells, dislodged crystals and popping 
> noises coming from specimens. Maybe it should be upgraded from ruster to 
> serious ruster.
>
> Stable Pallasites like Esquel do not require any special treatment other 
> than avoiding chlorinated water during preparation, proper high-grade 
> polishing and low humidity storage/display.
>
> I avoid rusters at all costs,
>
> Adam
>
>
>
>
> On 12/4/2017 10:40 AM, Bigjohn Shea wrote:
>> 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.
>>
>> Additionally,
>> 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.
>>
>> Cheers,
>> John A. Shea, MD
>> IMCA 3295
>>
>>
>>
>>
>>
>>
>>
>> Sent using the mail.com mail app
>>
>> 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,
>>>
>>> Adam
>>>
>>> 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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