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Your stone is glazed. Scrub it with 1000 grit wet/dry sandpaper or fine emery paper.

IIRC the back side is the coarse side and the front side is the fine side, but I can double check when I get...

Only the first one or two times I did it. This seems to be a reasonably common occurrence for new nortons judging by the comments on this forum. I don't know if there's a sealant on the hone that...

600 grit wet/dry sandpaper on your countertop. Do figure 8's or X's.