Originally Posted by
kaptain_zero
Well, I just took a look at mine and it is porous like yours... as for the grit, it's kinda hard to tell by looking at it. Rather than going by the feel with your hand over the stones (your fingers will feel the porosity and detect that as coarseness), how does it feel when honing a blade? You could also take a look at the bevel with a radio shack type microscope or 30x loupe possibly. Do the scratch marks look coarser or finer than when coming off the coarser stone?
Personally, I think it's highly unlikely the stone is defective but it's not impossible I suppose. :shrug:
Regards
Christian