Hello, I would like to know if I can use regular drill bits on my dremel. I have a fossil that is currently soaking in soapy water to loosen up the sediment (likely made up of hardened clay with shell peices embedded into it). There is quite a bit of rock and I was wondering if I can use a drill bit on a dremel to shave off most of the rock. I do not want to chisel the fossil as I have tried this with similar fossils and have ended up cracking them. Feel free to critisize my methods as I am new to this and would like to learn.