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Yes it does ! :)

A french member of our forum said it could be a "La Lune".

I'd say the grit is around 6000 for this one.

There is indeed black spots, and when the hone is dry they're not easily visible.

Only got this picture of the side (encountering issues with my camera right now) :
...

No, the BBW's slurry would be violet / red, and this one's pure grey.

I just used the diamond stone on a BBW before lapping this one, so there is maybe a little touch of red on the picture's...

Morning everyone !

I have a question today, I've just found this little stone on my flea market, and I'm questioning myself about its nature.

I've heard about Norway stones, really thins ones....