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Showing results for tags 'trilobite prep'.
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As I'm fairly new to prep, I thought I would "show my work." This is far from anything professional looking. I am also not using a good enough blasting medium. But it does look a bit better. This is a roller found from Penn Dixie. There are still some trouble spots, and some very stubborn stuff on the glabella that just won't blast away. I am using a mix of approaches from needles/picks, Dremel, pliers, and air abrasion. Total time about 40 minutes.
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So I took my Dremel engraver to this over the weekend and it's now revealed down to this point. There might be a millimeter or a little more stone directly over the trilobite. Should I continue with the engraver or will an air eraser (on the way) remove this much material in a timely fashion? I'm also thinking I should try to reinforce the remaining matrix. This shale likes to split at unexpected times. Would watered down Elmers glue be the correct thing to coat the bottom with?