[meteorite-list] Non Destructive testing of possible Iron Meteorites

[Michael Farmer]

Doug, let me give you some advice, take the photos in
dylight, the light you are using is horrible! Natural
sunlight takes true photos. That would be a start. I
think what you have could be an old mill ball. They
are common things to find here in the southwest. If it
is a meteorite, the fastest way is to cut and etch. It
would not damage the piece. 
Otherwise, we will yap all year long and be no closer
to the truth. 
Michael Farmer
--- mexicodoug <mexicodoug at aol.com> wrote:

> Hi Elton, Listees,
> 
> I'm appreciating everyone's super comments and will
> respond to these kindly 
> offered ideas (optimistic, realistic and negative)
> and friendly concerns 
> weighed together, in one email after hopefully even
> more feedback.
> 
> But Elton needs more data, this is the best I can do
> (and I went to work on 
> it right away).  I am very sorry not to have my
> stereo microscope up and 
> running, all the big toys are currently in storage
> for reasons beyond my 
> control which are frustrating.  Same link,
> www.diogenite.com/maybe.html . 
> Marsbug had to go and is replaced by picture #6, a
> close up which I hope can 
> bridge some of the gap on surface detail.  Please
> click on the smaller image 
> it to see the full size image if this is useful data
> for you.
> 
> still hope to get more comments...
> 
> Best wishes, Great Health,
> Doug
> 
> ----- Original Message ----- 
> From: "Mr EMan" <mstreman53 at yahoo.com>
> To: <meteorite-list at meteoritecentral.com>
> Sent: Tuesday, December 04, 2007 9:46 PM
> Subject: [meteorite-list] Non Destructive testing of
> possible Iron 
> Meteorites
> 
> 
> > To test for exclusion, that is to exclude this
> from being a meteorite,
> > my take is to determine the Specific Gravity
> ranges of Irons and the
> > range for Ataxites.  Conduct a SpGr analysis on
> the specimen. I would
> > use distilled water given that it has been exposed
> already but if one
> > chooses not to, then use an indexed non aqueous
> fluid.( Alcohol,
> > mineral oil,  etc.)  If the specific gravity of
> the specimen falls
> > outside the known ranges then it is a candidate
> for exclusion.
> >
> > All that said I've never seen an iron meteorite
> shaped like this one.
> > the lack of major rusting is a red flag. So is the
> shape, so is the
> > texture.   This looks more like a pitted artifact
> from a ball
> > mill/smelting operation.
> >
> > However this could be a new learning experience to
> attempt!
> >
> > Could we see a close up microscopic view of the
> surface?
> >
> > Elton
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