Can someone tell me what this is??

[topher]

it weighs a little more than an Iphone 4 and is spherical.

 

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[topher]

any help would be much appreciated

 

[old digger]

Looks like Pyrite.

 

[scurvy_seadog]

A Very nice chunk of iron Pyrite. Or Fools gold.

 

[mamabear]

yup pyrite. nice one too. I love the spherical specimens