Lava Rocks, Iron Slag, Meteorites or something else?

[KJW]

I started a thread about this on the Meteorite page. I am putting a link here in case anyone might recognize what I have. I found them in a creek and I think there are more of them. A magnet will stick to them in spots but some spots it will not stick. I was thinking it looks closest to Iron slag but I was wondering if a magnet would stick anywhere on an Iron slag or do magnets sometimes not stick to Iron slag? You can see pictures if you look at the link below.

http://forum.treasurenet.com/index.php/topic,389835.0.html

Thanks for any help in advance. Kris

 

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[goldinmypan]

Sorry, I don't know what they are but from the rough shape I would guess that they didn't travel far in the stream. A search up stream might give you the source and from that the answer you seek.