jenb
off to a rocking start
Member since July 2015
Posts: 6
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Post by jenb on Aug 3, 2015 17:16:19 GMT -5
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Post by tims on Aug 3, 2015 18:43:40 GMT -5
Have you tried testing hardness by scratching with an iron nail?
The shape, location and outer jasper-y appearance (2nd pic) make me think agate. May require a tumble / cut to know for sure. It does look like it's got several fractures so hopefully it will stay intact for you.
Fair warning I'm a noob just taking a guess.
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Post by washingtonrocks on Aug 5, 2015 21:32:46 GMT -5
I think tims is on the right path. Might be a chert (or flint since it's darker).
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