These are the natural stones I have tested on kitchen knives. For knives you normally want something softer and faster than a razor stone — most people land between Lv 1,5 and Lv 4. The hardness is written in each stone name.
A natural stone gives you a Kasumi finish and an edge that bites into food in a way synthetics do not. Softer stones work well on single bevel knives and wide bevels, harder ones on thin double bevel knives.
If you are not sure, email me and tell me which knives you have. I will help you pick the right one.
Kasumi on hard Jnats | How to use a natural stone | Read Stone Recommendations
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Products List
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Oohira Lv 3,5 (a3715)
AUD793,04Old 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... -
Oohira Lv 3,5 (a3714)
AUD793,04Old 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... -
Oohira Lv 3 (a3713)
AUD793,04Old 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 Koppa Lv 3 (a3711)
AUD148,70[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... -
Aiiwatani Koppa Lv 3 (a3708)
AUD173,48[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... -
Aiiwatani Asagi Koppa Lv 3,5 (a3706)
AUD371,74[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... -
Aiiwatani Kiita Koppa Lv 2,5 (a3703)
AUD322,17[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... -
Aiiwatani Kiita Koppa Lv 2,5 (a3702)
AUD198,26[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... -
Oohira Lv 3 (a3691)
AUD743,48[never coming back] Old 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 clear Kasumi finish No... -
Oohira Lv 3 (a3690)
AUD793,04[never coming back] Old 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 clear Kasumi finish No... -
Oohira Lv 3 (a3688)
AUD743,48[never coming back] Old 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 clear Kasumi finish No... -
Atagoyama Lv 2,5 (a3687)
AUD991,30[never coming back] Very rare to see Atagoyama so soft and smooth :) feels like very very good Hakka Makes super uniform hazy finish with contrast very easy Without any toxic inclusions at all... -
Shoubudani Akapin Lv 3 (a3686)
AUD991,30[never coming back] Shoubudani is mine super close to Nakayama and produced similar stones as Nakayama usually super fine and hardSometimes in Japan shoubudani stones have been sold as... -
Shoubudani Kiita Lv 3 (a3685)
AUD991,30[never coming back] Shoubudani is mine super close to Nakayama and produced similar stones as Nakayama usually super fine and hardSometimes in Japan shoubudani stones have been sold as... -
Shoubudani Nashiji Lv 2,5 (a3684)
AUD1.115,21[never coming back] Shoubudani is mine super close to Nakayama and produced similar stones as Nakayama usually super fine and hardSometimes in Japan shoubudani stones have been sold as... -
Shoubudani Akapin Lv 2,5 (a3683)
AUD1.189,56[never coming back] Shoubudani is mine super close to Nakayama and produced similar stones as Nakayama usually super fine and hardSometimes in Japan shoubudani stones have been sold as... -
Aiiwatani Kiita Koppa Lv 2,5 (a3681)
AUD223,04[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... -
Aiiwatani Kiita Koppa Lv 2,5 (a3680)
AUD173,48[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... -
Aiiwatani Kiita Koppa Lv 2,5 (a3677)
AUD173,48[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... -
Nakayama Tomae Lv 3 (a3667)
AUD2.973,90Super beautiful Old Stock Nakayama from Tomae layer That is super Rare to get Soft Nakayama now and they almost all come mostly for razors or for tools This one is crazy rare and almost impossible...

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