[meteorite-list] Stones with High Troilite, Low Metal

From: MexicoDoug <mexicodoug_at_meteoritecentral.com>
Date: Sun, 26 Jun 2011 16:13:26 -0400
Message-ID: <8CE0254A4B23115-1044-2973D_at_webmail-m163.sysops.aol.com>

Mike G wrote
"As far as which mets have an abundance of troilite but little free
metal, I cannot think of any right off-hand."

Why not Albareto, which is rather low metal 'transitional'. And of
course the type specimen for troilite.

That would satisfy a specific rock that may or may not randomly have
gotten more or less than its allotment of troilite & without a handy
database to sort. Pete - it would be satisfactory for many readers (or
maybe just me, I guess I can't speak for the main mass) that you
mention a little more about what you are after, than a generic question
that is so wide open to interpretation. Might actually stimulate more
discussion and be educational. For example do you mean to exclude
pentlandite, and why; what's up with the question? Do you just want a
meteorites oxidized in excess sulfur and/or low oxygen ... bla bla bla

Kindest regards
Doug



-----Original Message-----
From: Michael Gilmer <meteoritemike at gmail.com>
To: MexicoDoug <mexicodoug at aim.com>
Cc: Meteorite-list at meteoritecentral.com
Sent: Sun, Jun 26, 2011 3:50 pm
Subject: Re: [meteorite-list] Stones with High Troilite, Low Metal


Hi List,

On rare occasion I have seen troilite nodules for sale, but not as
often as graphite nodules.

Recently, Ruben Garcia offered up a spectacular-looking graphite nodule.

As far as which mets have an abundance of troilite but little free
metal, I cannot think of any right off-hand.

If it's relatively-pure troilite you are after, you might check with
one of the big sellers of Campo (like Bob C.). I'm sure anyone who
has tons of Campo laying around might have a troilite nodule or two.

Best regards,

MikeG

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On 6/26/11, MexicoDoug <mexicodoug at aim.com> wrote:
> Lunar and Martian basalts are about 1% troilite and not very magnetic
> if you would like that to be a free metal consideration/measure. If
> not, you could always scrape off some meteoritic shale or go for 
highly
> oxidized high troilite containing iron meteorites ... like Campo or
> Canyon etc.
>
>
> -----Original Message-----
> From: Pete Pete <rsvp321 at hotmail.com>
> To: meteoritelist meteoritelist <meteorite-list at meteoritecentral.com>
> Sent: Sun, Jun 26, 2011 2:55 pm
> Subject: [meteorite-list] Stones with High Troilite, Low Metal
>
>
>
>
> Sorry about that - once more with a subject:
>
>
>
> Hi, All,
>
> Is there any particular stone meteorite that has a high content of
> troilite and
> a low content of free metal?
>
>
>
> Cheers,
>
> Pete
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Received on Sun 26 Jun 2011 04:13:26 PM PDT