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DeoxyriboNucleicAcid

Weird Magnet Rock Found on Beach

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Hello,
I have recently found a number of weird rocks on a Long Island beach.
The rocks appear to be iron based.
They have red-brown currosion on them.
They have a red-brown streak, and are very hard.
Metallic Luster.
No APPARENT cleavage, but then again, they look like they are in layers?

I also found that they are highly attracted to a magnet. Even more interesting, I was able to find their polarity (+/-) using some magnets.


Can someone please identify/ tell me more about this mineral/ rock???

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The first article says "The heavy minerals were found to include magnetite, monazite, thorite, xenotime and garnet."...I'm don't know much about what magnetite looks like or it's properties...but it appears to be magnetic :rolleyes:

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They just look like bits of weathered iron to me, probably off a ship or something.

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When I first started finding it.

 

One of the pieces I found looked vaguely charred - I thought for sure I'd found a meteorite - I took it to the Virginia Dept. of Mines and Minerals and they identified it as limonite.

 

What's really interesting is that you sometimes find extremely detailed casts of shells in it.

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