[meteorite-list] Metal? in a Hematite Nodule

From: Jim Wooddell <jimwooddell_at_meteoritecentral.com>
Date: Wed, 15 Jun 2011 18:48:15 -0700
Message-ID: <BANLkTi=8+KKac13LeKztyuxfKDCn74h3YQ_at_mail.gmail.com>

Hi Bob!

Hematite usually has a non-metallic reddish appearance. Doesn't look
like metal at all to me! Sunburn, and weathering can change it's look
over time. Maybe there are geographic differences???
However, Hematite also occurs that appears metallic/silver often
called Specularite.
Both streak red.

Kind regards!

Jim


On Wed, Jun 15, 2011 at 6:07 PM, Bob Loeffler <bobl at peaktopeak.com> wrote:
> Hi John and Jim,
>
> Thanks for the clarifications. ?Every piece of hematite that I've had has
> been attracted to a magnet, but as you said, it probably had other iron with
> it.
>
> And what I meant by "hematite is a metal" was that it is a metal as far as
> most people are concerned. ?It is 70% iron and looks and feels like metal,
> so most people will call it a metal even thought that is not the chemical
> term (metal oxide).
>
> Regards,
>
> Bob
>
>
>
> -----Original Message-----
> From: John Hendry [mailto:pict at pict.co.uk]
> Sent: Tuesday, June 14, 2011 1:09 PM
> To: Bob Loeffler; meteorite-list at meteoritecentral.com
> Subject: Re: [meteorite-list] Metal? in a Hematite Nodule
>
> Hematite/Haematite is not a metal. It's a metal oxide as you go on to say.
> Any free iron included within a hematite mass would be native iron and not
> hematite.
>
> Regards,
> John
>
>
> On 14/06/2011 13:48, "Bob Loeffler" <bobl at peaktopeak.com> wrote:
>
>>Hi Greg,
>>
>>Hematite IS a metal, so that's what I would expect to see in a hematite
>>nodule. ?Some will be completely oxidized (rusted) so that there is no
>>more
>>visible metal left in them, but others will still have some metal in them.
>>Hematite is Iron and Oxygen (Fe2O3), so that's why it's attracted to a
>>magnet.
>>
>>Bob L
>>
>>
>>
>>-----Original Message-----
>>From: meteorite-list-bounces at meteoritecentral.com
>>[mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of Thunder
>>Stone
>>Sent: Tuesday, June 14, 2011 10:25 AM
>>To: meteorite-list at meteoritecentral.com
>>Subject: [meteorite-list] Metal? in a Hematite Nodule
>>
>>
>>List:
>>
>>Has anyone cut a hematite nodule and found what looks like metal. Looks
>>the
>>same as the metal in meteorites.
>>
>>Could it be "Specular Hematite?"
>>
>>It is very magnetic (magnet attraction)
>>
>>Much Thanks,
>>
>>Greg S
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Received on Wed 15 Jun 2011 09:48:15 PM PDT