How do I identify the grit of a whetstone?

Discussion in 'Sharpening Station' started by Whetstone, Jan 1, 2019.

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  1. Jan 1, 2019 #1

    Whetstone

    Whetstone

    Whetstone

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    I recently bought about 19 whetstones from eBay. It came with the following:

    kumagoro 4K 6k 8k grit

    Naniwa 1k 2k 3k 5k

    Nubatoma 1k 2k 4K

    Kitayama 12k (although it looks just like the 8k)

    Shapton 1500 and 8k

    Norton 8k

    An unknown 10k grit blue stone

    An unknown grit Suehiro stone on a stand (100% sure its a suehiro)

    A 6k gessin (gesshin?)

    And 2 big bricks that I have no information on except that 1 is a 5k grit and the other feels smoother and denser.

    Any good ways to go about finding out what the grit is? I’m looking to get better at sharpening so I am not the greatest. But I felt that this was a good purchase. For a total of $275 usd and $55usd shipping, I couldn’t pass up the offer. Prior to this I only had about 6 stones including some naniwas, a Kitayama 8k and some of the cerax line up.

    Any information would be wonderful, this is also my first post ever, so if I did something wrong I am sorry. Thank you!
     
  2. Jan 1, 2019 #2
    Moved to the correct section
     
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  3. Jan 1, 2019 #3

    JBroida

    JBroida

    JBroida

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    Pics?
     
  4. Jan 1, 2019 #4

    Whetstone

    Whetstone

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  5. Jan 1, 2019 #5

    osakajoe

    osakajoe

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    By licking them.
     
  6. Jan 1, 2019 #6

    Whetstone

    Whetstone

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    IMG_1546316521.545746.jpg

    Also it has “5k” written in sharpie on the side
     
    Last edited: Jan 1, 2019
  7. Jan 1, 2019 #7

    Whetstone

    Whetstone

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    IMG_1546316623.255697.jpg
     
  8. Jan 1, 2019 #8

    Whetstone

    Whetstone

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    One tastes a bit minty
     
  9. Jan 1, 2019 #9

    JBroida

    JBroida

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    The red and white striped one should be an amakusa natural stone in the 800 ish range
     
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  10. Jan 1, 2019 #10

    Whetstone

    Whetstone

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    I assume you mean the one that has an arrow?
     
  11. Jan 1, 2019 #11

    Kippington

    Kippington

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    I have some bad news, what you've got is not a stone. :(
    [​IMG]
     
  12. Jan 1, 2019 #12

    Xenif

    Xenif

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    Ultimate in JNat honing rod

    And OP, Jon was referring to the one with the arrow yes
     
  13. Jan 1, 2019 #13
    Could it also be a natsuya?
     
  14. Jan 1, 2019 #14

    aaamax

    aaamax

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    I like your style. Jump all in with 19 stones...
    Looks like you are going to have a whole lot of fun.
    You will develop a taste for certain stones over others. will you ever really know exactly the grit? Hell, the makers don't even know exactly the grit.
    Just start playing with them and you will get a progression down that works for you.
    An enviable position you're in, Have fun!
     
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  15. Jan 11, 2019 #15

    Knife2meatu

    Knife2meatu

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    Blue 10K is the super finishing Chosera -- you did very well with that purchase, color me jealous.

    I would lap that stone until the visible cracks are gone, and perhaps until the white discoloration is also gone. Consider gluing it to a base, as well, depending on how deep those cracks turn out to be.
     

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