Aarne Salojärvi Posted September 16, 2010 Share Posted September 16, 2010 Hi Everyone, I had some left over slate from the lot that I had installed in my basement floor. The slate is from India and was quite soft and made a nice smooth slurry when cutting. That got me to wondering about its potential use as a waterstone. So far I have used a piece as a waterstone for sharpening knives and I polished an axe head. It works wonderful, producing a fine smooth slurry, and gets the blade shaving sharp. The axe head polished up nicely without scratches. Now I am wondering if it would be useful as a polishing stone (s). Some of the slate seems to produce finer slurries, depending on the colour. Of course, the grit would have to be uniform, so no scratches would form. If it works, at $2.50 a square foot, it would beat Japanese water stone prices. What do you think? Has anyone tried it? I will have to experiment with the stuff I have. Link to comment Share on other sites More sharing options...
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