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Rock Identification
(imgs.xkcd.com)
'Is it worth anything?' 'I dunno, is the answer to that question worth another $5?'
Here in Kentucky, it's likely either agate or coal. There isn't much else.
this is why kentuckees have such great teeth, lots of coalgate
: Makes angry eye contact and points to door:
You have some ancient opal but very few people find it