So I picked up a small piece in the sandy, South Texas Pleistocene gravel the other day because it looked like there might have been some tooth enamel, but it was so covered in a sandstone matrix that I wasn't sure what it might be.
The sandstone wouldn't come off with water, but when I dipped it in vinegar last night, it started to melt away. I pulled it out quickly and rinsed it with water and realized it looks like a set of top and bottom front teeth. Maybe rat?
My problem is this: the matrix is hiding a lot of detail here, and I'd ideally like to clean it off comp