[meteorite-list] Shirokovsky..Answer

[Dawn & Gerald Flaherty]

Sounds very hitech and therefore very expensive. No wonder the seller is
pricing them so dearly!Jerry
----- Original Message ----- 
From: "Meteoryt.net" <marcin at meteoryt.net>
To: <meteorite-list at meteoritecentral.com>
Sent: Monday, July 18, 2005 5:14 PM
Subject: Fw: [meteorite-list] Shirokovsky..Answer


> Hi List.
> Tooday Im your main spammer here :)
> Jeff have some problems so I forvarding his email.
>
>
> From: "Jeff Pringle" <jeffp at mail.stuartdean.com>
> List -
>
> Speaking from experience in backyard steel foundry work, the etched slices
> clearly indicate to me that the shirokovski was made in a direct attempt
to
> defraud meteorite collectors - it does not appear to be a serendipitous
> furnace lining pallasite look-alike.
> Next time I fire up the blast furnace, I'll check into it and give you all
a
> report, as to whether my theory is correct or not.
>
> Wustite and fayalite are common iron/steel slag components, as is CaO.
>
> Off hand, the hard part would probably be keeping bubbles out of the melt
> upon introduction of the silicates - it possibly required a vacuum
furnace,
> or at least careful timing (accidental?) of the introduction of the
olivine
> and solid metal into the melt.
>
> Jeff
>
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