Below are photographic examples of the stones skin, known as "kawa" in Japan of documented
Nakayama awasedo. The skin is built up during the sedimentary process of various minerals that are
coarser and heavier than the sharpening stones media. The Nakayama skin is unique that it contains
particles that range in color from ocher to burnt sienna to black. The black will also contain a
reflective sparkle that can be detected under favorable light condition when the stone is dry.
|What the back of a Nakayama
Tennen Toishi looks like.
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