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Thread: First JNat has a crack?

  1. #1
    Member Mark1065's Avatar
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    Default First JNat has a crack?

    I posted this on another site but would appreciate your opinions

    I've been using a SR for over a month now and have been honing my vintage blades on a 1K, 4K, 8k, and 10K with shave-able success, lately (Thank You all for your advise)

    So after reading many threads I decided to try a JNat whetstone for finishing, I purchased a Ozuku from Fendrihan and when it arrived yesterday I was excited to try it so I sealed the edges with nail polish but noticed a 30mm crack, I emailed Fendrihan right away and told them about the crack and that I can feel it with my fingernail, they replied that this is not only okay but normal

    Opinions please

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  2. #2
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    I don't have any Jnat's but they say the same things about cracks in coticule,... I don't know, I wouldn't be happy about it, I'm also suspicious about a crackline in my coticule.

    the fact that you feel it with your nail can mean two things, your nail is either moving down or up when you move across it, if it's moving down you won't notice it while honing which is usually the case with a small crackline. but as I said I don't know anything about Jnats or wheter or not this is an acceptable flaw in the hone or if it should be replaced

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    Senior Member Druid's Avatar
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    Welcome to the world of natural stones.

    "Normal" implies that most have cracks, which I don't believe, but it's certainly not uncommon, nor necessarily a bad thing. CA glue works it's way into small cracks like this. Then a good lapping of the surface.

    But, only you can decide if it is an issue you can deal with.
    onimaru55, Vasilis and aa1192 like this.

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    Senior Member Siguy's Avatar
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    Thank you for the pic. That is one beautiful stone. Sorry I couldn't be more helpful, so I offer a compliment

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    Senior Member kratos86's Avatar
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    If you smears with your fingers over, you feel a step? or a bit step? because a step may scratch(or chip) the edge of razor.
    If this particular was not speified in the ad they MUST change the stone
    "Consider well the seed that gave your birth: you were not made to lives as brutes,but to following virtue and knoweledge"
    Dante's The Divine Comedy:Inferno XXVI.

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    Senior Member blabbermouth
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    I would retun that stone.
    Walterbowens likes this.
    CAUTION
    Dangerous within 1 Mile

  7. #7
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    I just looked at that website and the pictures used to advertise this type of hone also show some stones with cracklines in them ...

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    The Hurdy Gurdy Man thebigspendur's Avatar
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    I have to agree. if you can feel it with your fingernail and you can feel it as the razor glides over it it will not be good for the razor. Many coticules have veins in them which people mistake for cracks. All rock have internal flaws, that's normal but some you can live with and some you can't.
    No matter how many men you kill you can't kill your successor-Emperor Nero

  9. #9
    Senior Member blabbermouth
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    As above,inclusions are one thing,cracks are something else.
    Note in the OPs pic the crack starts from a large chip in the side of the stone,the crack may have been caused by trauma to the stone,or it's just a defect that will never go away and maybe get worse.Let us know how it shakes out.
    CAUTION
    Dangerous within 1 Mile

  10. #10
    The Great & Powerful Oz onimaru55's Avatar
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    No offence but I really wouldn't expect perfection in an inexpensive Jnat.
    “The white gleam of swords, not the black ink of books, clears doubts and uncertainties and bleak outlooks.”

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