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Home > Accessories > Sharpening Stones > Japanese Natural Stones > Nakayama Koppa Natural Stone
Nakayama Koppa Natural Stone
Nakayama Koppa Natural Stone Nakayama Koppa Natural StoneNakayama Koppa Natural StoneNakayama Koppa Natural Stone
Nakayama Koppa Natural Stone Nakayama Koppa Natural StoneNakayama Koppa Natural StoneNakayama Koppa Natural Stone

Nakayama Koppa Natural Stone

Item #: C3638

Average Customer Rating:
(5 out of 5 based on 1 reviews)

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Our Price: $80.00
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Photo is current. Nakayama stones are famous in the very small world of Japanese natural stone sharpening. They were used to put the final edge and polish on swords and other knives. They have been mined in Kyoto for hundreds of years. In the 1970s the mines were closed since the population of Kyoto started to encroach on the mountains that surround the city which has made the stones very hard to come by. This koppa which translates to "small" is sold at a fraction of the full size stone cost.

The estimated grit range of this stone is about #12000 and that is a guess since natural stones are not completely consistent with particle size. There is one stamp on the top of the stone. It weighs 1lb 3.3oz or 548g.

Customer Reviews

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1 review(s) WRITE A REVIEW (Reviews are subject to approval)
  Nakayama Koppa, April 13, 2021
Posted By: Steve H - verified customer

Wonderful stone, a deep layer Nakayama, thick, fine, and fast.

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