LOOKING FOR ADDITIONAL CONFIRMATION OF IRON-NICKEL METEORITE

[CASUAL_667]

Hi All,
I took these 2 pcs to a local metal recycler and they scanned it with their XRF Gun.

The results confirmed these contain approx. 7.2% nickel.

Can anyone else give me some advise based on the pics?

 

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[nomad 11]

xrf gun ? never heard of such a thing ? is this something new ? can it be used to assess all metals ? does it require any special training ?

 

[DCMatt]

xrf gun ? never heard of such a thing ? is this something new ? can it be used to assess all metals ? does it require any special training ?

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[CASUAL_667]

These have been out for a while. The below youtube video was posted in 2012.



By the way these were found in Tampa, FL and the large golf ball size chunk weighs approx. 220 grams.

 

[Red-Coat]

Did they confirm that the other 93% is iron and only iron?

Where did you find it and in what context?

If it is exclusively iron with moderate nickel and only trace amounts of other metals as would be the case for a meteorite, why is there no rusting?

The exposed surfaces doesn't look very meteorite-like.

 

[ANTIQUARIAN]

Welcome to Tnet from Toronto CASUAL 667!

You might also want to consider posting your question here... Meteorites

Dave

 

[CASUAL_667]

Did they confirm that the other 93% is iron and only iron?

Where did you find it and in what context?

If it is exclusively iron with moderate nickel and only trace amounts of other metals as would be the case for a meteorite, why is there no rusting?

The exposed surfaces doesn't look very meteorite-like.

I was fishing near a causeway around 3 years ago and I stepped on it and it rolled from under my foot. I looked around for about an hour and found the other smaller piece close by. I exposed that surface with sand paper to do tests on it. It is very dense and I couldn't cut it safely with the saw I have.

It is mostly iron (I believe it was around 90% iron) and showed to also have small amounts of chromium, titanium, aluminum and a few others. I took a pic of the XRF results but I lost that phone about a year ago, so I can't remember all the exact percentages.

Seems like my best bet is to send this in to NEMS.

 

[Red-Coat]

The native metallic components of meteorites are generally in the region of 6-20% nickel (higher in the metal from stony meteorites), with most of the rest as iron. There may be cobalt in amounts up to about 2%, copper in amounts up to about 0.02%, plus traces of manganese and tin. Anything else will usually be in parts per million, or present as non-native compounds.

I think you have found some kind of industrial man-made product. Native iron in visible amounts is an extremely rare occurrence in natural terrestrial rocks and almost exclusively found in the upper northern hemisphere: Canada, Alaska, Siberia, Greenland etc.

 

[octofianus]

Found exactly the same rock with a metal detector (in Denmark)

Hi All,
I took these 2 pcs to a local metal recycler and they scanned it with their XRF Gun.

The results confirmed these contain approx. 7.2% nickel.

Can anyone else give me some advise based on the pics?

Do you think this is the same material? Did you get confirmation of the type of material the rock might be from?