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)
$553,84Old 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)
$553,84Old 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... -
Aiiwatani Kiita Koppa Lv 2,5 (a3703)
$225,00[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)
$519,23[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)
$553,84[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)
$519,23[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... -
Shoubudani Kiita Lv 3 (a3685)
$692,30[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 Akapin Lv 2,5 (a3683)
$830,76[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)
$155,77[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)
$121,15[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)
$121,15[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... -
Mizukihara Uchigumori Lv 3 (a3666)
$1.903,83Famous Uchigomori from Mizukihara just on the other side of Ohira mine and comes from same mountain With Lots of Range pattern and very light gray color Crazy good to use for Kasumi finish and... -
Asano Koma Nagura (a3653)
$1.003,84Asano Koma Nagura 1270g Asano Koma Nagura is Rare in small size but this Huge bench sized stone is crazy Rare And I think it is first time I got Batch like That with Huge Koma Nagura from Asano I... -
Asano Koma Nagura (a3651)
$1.557,68Asano Koma Nagura 2000g Asano Koma Nagura is Rare in small size but this Huge bench sized stone is crazy Rare And I think it is first time I got Batch like That with Huge Koma Nagura from Asano I... -
Asano Koma Nagura (a3650)
$2.076,90Asano Koma Nagura 2640g Asano Koma Nagura is Rare in small size but this Huge bench sized stone is crazy Rare And I think it is first time I got Batch like That with Huge Koma Nagura from Asano I... -
Ohira Range Suita Lv 3,5 (a3620)
$2.769,20I rarely get them now but got a chance to get Ohira Range Suita white with some range patter Very smooth and feels super nice. Medium hardness not to soft not to hard ! perfect for tools and... -
Atagoyama Huge Lv 3,5 (a3601)
$2.076,90Old stock Atagoyama, Super big stone and will be crazy hard to fine Fast and Medium Hardness stone with very light color feels super smooth and creamy Very nice stone for fine Kasumi finish and also... -
Oohira Ooban Lv 3,5 (a3600)
$1.211,53Old stock Ohira Ooban Ooban is size of the stones and very rare for Japanese Natural stones Fast and Medium Hardness stone Very nice stone for fine Kasumi finish and also makes crazy sharp and fine... -
Oohira Ooban Lv 3,5 (a3598)
$1.471,14Old stock Ohira Ooban Ooban is size of the stones and very rare for Japanese Natural stones Fast and Medium Hardness stone Very nice stone for fine Kasumi finish and also makes crazy sharp and fine... -
Oohira Ooban Lv 3,5 (a3597)
$1.471,14Old stock Ohira Ooban Ooban is size of the stones and very rare for Japanese Natural stones Fast and Medium Hardness stone Very nice stone for fine Kasumi finish and also makes crazy sharp and fine...

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