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3D3DArchaeological nuts.
This object showed up on my farm. It's too heavy to be a rock, so what is it? Look closely and you can see two square shapes slightly rotated relative to each other, and something that looks round on the right side. It's two large steel (iron) nuts screwed onto a short section of steel bolt. Over the decades it's been in the ground the nuts and bolt have rusted into each other and become so encrusted in limestone that it's almost unrecognizable. In another few hundred years there would be nothing left but a reddish iron oxide stain. Such is the fate of our civilization, except for the parts made of aluminum.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 11 August, 2007
Text Updated: 29 January, 2009
Price: $15
Size: 2"
Purity: 95%
Iron