Taogan Posted January 27, 2017 Share Posted January 27, 2017 Looks like lobster material to me as well, but the "halo" around it makes me wonder if it is a coprolite, so there might not be much to prep out. As said before chemical prep will destroy it and air abrasive will destroy it. I would use the smallest dental chisel and a lot of patience, or leave it as it is. Link to comment Share on other sites More sharing options...
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