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Home > Sharpening Stones > Natural Stones
NATURAL STONES
Natural stones consist of novaculite rock that has been mined from the earth and milled flat to produce a suitable surface for sharpening knives. Because they are not made of particulate that has been sieved to a specific size and bonded together, grit charts do not apply. Instead they are rated as Soft (med grit) Hard (fine grit) and surgical black (ultra-fine). You may use them with water, oil or even dry. They last an extremely long time and polish the edge as you sharpen.