Every Japanese natural stone I have sold since 2008, with the photos and the notes I wrote at the time: the mine, the hardness level, the size and the stone code.
Nothing here is for sale. Mines close and stones run out, so most of these will not come back. But the notes are useful if you are trying to place a stone you own, or one you saw somewhere and want to understand.
For the stones I have now: Japanese Natural Stones
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Products List
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Blue Aoto (a3740)
$344,31Grit lv is approx. 2-5k make them super nice Naturals for pre polishers or even finishers for many knives.They are soft and very easy to make uniform finish with It is very hard to find very good... -
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Blue Aoto (a3739)
$344,31Grit lv is approx. 2-5k make them super nice Naturals for pre polishers or even finishers for many knives.They are soft and very easy to make uniform finish with It is very hard to find very good... -
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Blue Aoto (a3738)
$344,31Grit lv is approx. 2-5k make them super nice Naturals for pre polishers or even finishers for many knives.They are soft and very easy to make uniform finish with It is very hard to find very good... -
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Blue Aoto (a3737)
$309,88Grit lv is approx. 2-5k make them super nice Naturals for pre polishers or even finishers for many knives.They are soft and very easy to make uniform finish with It is very hard to find very good... -
Sold Out
Blue Aoto (a3736)
$344,31Grit lv is approx. 2-5k make them super nice Naturals for pre polishers or even finishers for many knives.They are soft and very easy to make uniform finish with It is very hard to find very good... -
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Nakayama Maruka Kiita Lv 5+ (a3734)
$1.721,55Old stock rare Nakayama Maruichi Maruka Kiita Very Hard and smooth stone ! Without any toxic Lines or inclusions at all !Final finisher for Kamisori, Razors or fine tools !Can be used on Knives... -
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Umajiyama Kiita Lv 3 (a3732)
$1.032,93Umaji Yama located near Ohira mine So produced similar stones as Ohira just bit softer, This one however is quite fine and medium Hardness No toxic lines or inclusions at allAmazing for knives and... -
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Nakayama Maruichi Maruka Kamisori Lv 4,5 (a3725)
$688,62Smaller Size but perfect for razors, beautiful Old Stock Nakayama Kiita Maruichi Very Hard and super smooth stone ! Without any toxic Lines or inclusions !Final finisher for Kamisori and Razors ! It... -
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Nakayama Maruichi Asagi Kamisori Lv 5+ (a3723)
$688,62Smaller Size but perfect for razors, beautiful Old Stock Nakayama Asagi Maruichi Very Hard and super smooth stone ! Without any toxic Lines or inclusions !Final finisher for Kamisori and Razors ! It... -
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Ozuku Karasu lv 5+ (a3716)
$1.377,24Very hard and super fine Ozuku Karasu for final finishing razors.With very unique and beautiful Karasu pattern It feels super smooth and give perfect smooth edge ! They getting crazy rare... -
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Oohira Lv 3,5 (a3714)
$550,90Old stock Ohira Fast and medium hardness stone quite easy to use feels very smooth and make some black very fastCan be used with or without Nagura and make clearer Kasumi finish No Toxic lines or... -
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Oohira Lv 3 (a3713)
$550,90Old stock Ohira Fast and medium hardness stone quite easy to use feels very smooth and make some black very fastCan be used with or without Nagura and make clearer Kasumi finish No Toxic lines or... -
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Aiiwatani Kiita Koppa Lv 2,5 (a3712)
$86,08[never coming back] Aiiwatani Located north for Kyoto along with Takashima but makes finer and harder stones Very nice feel, smooth and soft very good for Kasumi finish Produce super nice finish and... -
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Aiiwatani Koppa Lv 3 (a3711)
$103,29[never coming back] Aiiwatani Located north for Kyoto along with Takashima but makes finer and harder stones Very nice feel, smooth and soft very good for Kasumi finish Produce super nice finish and... -
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Aiiwatani Koppa Lv 3 (a3710)
$86,08[never coming back] Aiiwatani Located north for Kyoto along with Takashima but makes finer and harder stones Very nice feel, smooth and soft very good for Kasumi finish Produce super nice finish and... -
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Aiiwatani Asagi Koppa Lv 5 (a3709)
$86,08[never coming back] Aiiwatani Located north for Kyoto along with TakashimaThey produce some of Harder and finer stones then ussual from that region. Very nice feel, smooth and hard Can be used as... -
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Aiiwatani Koppa Lv 3 (a3708)
$120,51[never coming back] Aiiwatani Located north for Kyoto along with Takashima but makes finer and harder stones Very nice feel, smooth and soft very good for Kasumi finish Produce super nice finish and... -
Sold Out
Aiiwatani Asagi Koppa Lv 3,5 (a3707)
$258,23[never coming back] Aiiwatani Located north for Kyoto along with TakashimaThey produce some of Harder and finer stones then ussual from that region. Koppa Size Very nice feel, smooth and medium... -
Sold Out
Aiiwatani Asagi Koppa Lv 3,5 (a3706)
$258,23[never coming back] Aiiwatani Located north for Kyoto along with TakashimaThey produce some of Harder and finer stones then ussual from that region. Koppa Size Very nice feel, smooth and medium... -
Sold Out
Aiiwatani Koppa Lv 3 (a3705)
$120,51[never coming back] Aiiwatani Located north for Kyoto along with Takashima but makes finer and harder stones Very nice feel, smooth and soft very good for Kasumi finish Produce super nice finish and...

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