[meteorite-list] Question on Toluca Sample that I came acrossonebay

From: Mark Grossman <markig_at_meteoritecentral.com>
Date: Tue, 4 Aug 2009 21:51:27 -0400
Message-ID: <FBE4608B095A42AD85058AF485EDF5FC_at_QED>

Hi Jason,

No, I decided not to bid after all. When it was 99 cents, that was on
thing. But if my memory serves me correctly, last time I checked it was
about $22.

But has anyone heard of a Spanish collector named "Ceruda"? Sounds like the
beginning of some suspense movie!

Mark Grossman

----- Original Message -----
From: "Jason Utas" <meteoritekid at gmail.com>
To: "Meteorite-list" <meteorite-list at meteoritecentral.com>
Sent: Tuesday, August 04, 2009 9:35 PM
Subject: Re: [meteorite-list] Question on Toluca Sample that I came
acrossonebay


Hello Mark,
I wouldn't be surprised in the least if the fellow already knew - I've
sent such messages before, only to meet a stone wall of silence, or a
vehement denial of the facts from a mineral dealer who knows less than
they think they do about rocks from space. That said, it could well
be an honest mistake. There's no telling.
It's worth a shot I suppose, but if I'm not mistaken, the auction
closes in about a minute, so it's a bit late for that.
Another one bites the dust...
Regards,
Jason

On Tue, Aug 4, 2009 at 6:30 PM, Mark Grossman<markig at westnet.com> wrote:
> Hi Jason,
>
> Thanks for the info. Looks like you're right.
>
> I checked "Rocks from Space", and color plate IV has a picture of a Toluca
> specimen with a closeup of ferric hydroxide and hydrochloric acid exuding
> from between the Widmanstatten plates.
>
> And it looks like some of those brown "crossed lines" on the ebay sample.
>
> So what should I do - inform the ebay seller that he has a sick patient on
> his hands that he is trying to unload? :)
>
> Thanks again.
>
> Mark Grossman
>
> ----- Original Message ----- From: "Jason Utas" <meteoritekid at gmail.com>
> To: "Kashuba" <mary.kashuba at verizon.net>; "Meteorite-list"
> <meteorite-list at meteoritecentral.com>
> Sent: Tuesday, August 04, 2009 9:04 PM
> Subject: Re: [meteorite-list] Question on Toluca Sample that I came
> acrosson
> ebay
>
>
> Hello Mark, All,
> Those squiggly lines are what Nininger coined "lawrencite," a
> corrosive "disease" that occurs primarily in the presence of
> terrestrial salts. While the term is fairly well-recognized, it
> generally applies to meteorites which experience accelerated oxidation
> even years after having been found, having spent long periods of time
> in unfavorable climates.
> The slice does indeed look like Toluca, and it might be a fine
> specimen if refinished, but good luck with preserving it - maybe Bill
> Mason might have a word on this.
> That said, there are no troilite inclusions visible in the slice.
> Regards,
> Jason
>
> On Tue, Aug 4, 2009 at 2:57 PM, Kashuba<mary.kashuba at verizon.net> wrote:
>>
>> Mark, List,
>>
>> It looks to me like an etched iron meteorite slice that has been clear
>> coated and is rusting. Corrosion will boil up and worm its way around
>> under
>> coatings. Some Toluca have prominent troilite. None is obvious in this
>> slice but it still could very well be a Toluca. Maybe someone read a
>> description somewhere that mentioned troilite, saw the Widmanst?tten
>> pattern
>> and figured that is what the "crossed lines" are. You might pick it up
>> cheap, refinish it and pray.
>>
>> Regards,
>>
>> - John
>>
>> John Kashuba
>> Ontario, California
>>
>> -----Original Message-----
>> From: meteorite-list-bounces at meteoritecentral.com
>> [mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of Mark
>> Grossman
>> Sent: Tuesday, August 04, 2009 1:37 PM
>> To: meteorite-list at meteoritecentral.com
>> Subject: [meteorite-list] Question on Toluca Sample that I came across on
>> ebay
>>
>> Would be interested on any comments on this Toluca sample that I came
>> across
>>
>> on ebay. According to the seller, the sample was purchased from a
>> collector
>>
>> in Spain named "Ceruda" and the troilite is "the crossed lines on the
>> specimen."
>>
>>
>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=180387460024&ssPageName=S
>> TRK:MEWAX:IT
>>
>> Thanks.
>>
>> Mark Grossman
>>
>>
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Received on Tue 04 Aug 2009 09:51:27 PM PDT