What is this rock?

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Offline timbos

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What is this rock?
« on: 02/03/2010 05:24:05 »
Here is a rock my brother found on the side of a road a long time ago.
My guess would be a silicon metal alloy mix.  It has layered surface so I am pretty sure it's a rock and not just a melted blob of alloy.

It has small holes in it, as well as small round nodules and a hint of blue-ish tint.
It's not magnetic, not too heavy, average weight.  It will chip when scratched with a knife.
Thanks in advance for any help.  [;D]
- Tim







« Last Edit: 02/03/2010 05:32:23 by timbos »

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Offline timbos

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What is this rock?
« Reply #1 on: 02/03/2010 16:05:35 »
Found out it is man-made.  [:o)]
It is a Ferrosilicon alloy.http://en.wikipedia.org/wiki/Ferrosilicon

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Offline Bass

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What is this rock?
« Reply #2 on: 02/03/2010 16:35:46 »
Found out it is man-made.  [:o)]
It is a Ferrosilicon alloy.http://en.wikipedia.org/wiki/Ferrosilicon

Welcome to the forum timbos!

I would guess some sort of ferrosilicon alloy.  Oh, snap, you already knew that!  [:I]

The blue color is typical of iron iridescence caused by weathering.
Old enough to have a grandson
Slow enough to study rocks
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