No luck identifying (yet another) not-a-meteorite

[Dougie Webb]

I've missed this forum! I had to replace pretty much the entire top end on my 68 Fairlane and my wife said absolutely no metal detecting til I get that thing out of the driveway and stop bringing down property values #yeahimaredneck

BUT, she's roadworthy again and my son and I took a quick hunt last night in what would have been the backyard of an old house razed in the 60's. We dug up this neat rock, but I am at a dead-end in identifying it. Here's what I got so far:

1. Iron. Solid, strong 18-20 on my Ace with the lowest sensitivity at about three inches.
2. Specific gravity is about 5.2. I don't have precise instruments, so the range could be 4.6 - 5.4
3. Leaves a solid gray streak on porcelain. HOWEVER, only **very** weakly attracted a strong magnet. Had to put two good magnets on a piece of string to get it to move at all. So I'm kinda ruling out magnetite. Can a chunk of magnetite this heavy/large be only slightly mag
4. Not a brown streak, so I'm ruling out hematite.
5. Naturally, my thought is slag. But, I've researched that the SG of iron slag is only about 2.5. Plus, it is not at all porous and has was looks like be mica/silica in it (could be from the soil?).
6. Doesn't seem to meet any of the qualities of being a meteorite, other than vaguely looking like one.

Your ideas are very much welcome!

 

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[Charlie P. (NY)]

Foundry slag?

Possibly a chunk of Magnetite.

 

[Dougie Webb]

Foundry slag?

Possibly a chunk of Magnetite.

I'm not sure slag is as dense as this? (slag = 3-ish; this rock = 5-ish). Can magnetite be very weakly magnetic? I could only get it to attract a magnet when it was on the end of a string - and even then, weakly.

 

[A man called horse]

I came across a volcanic landscape that was full of iron ore spheres. About the size of a cannon ball, hundreds of them. Skull Valley, At. Not geodes, solid. Was this the only specimen?

 

[Dougie Webb]

I came across a volcanic landscape that was full of iron ore spheres. About the size of a cannon ball, hundreds of them. Skull Valley, At. Not geodes, solid. Was this the only specimen?

The only one I dug yesterday. There was a lot of trash. I may go back today and give it another pass, looking for similar numbers on the detector. I think I'll also cut a window into it

 

[Dougie Webb]

I cut a window into it. Everything about it says "hematite" except for the fact that it leaves a distinct *gray* streak. Tried it several different ways - on the side, on the inside, definitely gray.