I believe the tam is either mudstone or shale, pretty sure this stone is a type of sandstone. I do see the resemblance tho. Leaves a nice polish.That stone almost looks like a Tam O'shanter.
I believe the tam is either mudstone or shale, pretty sure this stone is a type of sandstone. I do see the resemblance tho. Leaves a nice polish.That stone almost looks like a Tam O'shanter.