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Thread: Help ID this stone

  1. #1
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    Question Help ID this stone

    I would be grateful for any help identifying this tone. It was never used with oil. It's a dark grey, very hard, smooth (high grit) and has a light brown "swirl" in the stone at one end. I've been going crazy trying to identify it.




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    Senior Member Vasilis's Avatar
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    It could be an Arkansas stone. It looks like it needs some lapping.
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    Quote Originally Posted by Vasilis View Post
    It could be an Arkansas stone. It looks like it needs some lapping.
    Can you lap an Arkansas stone with a norton silicon carbide lapping stone or would that mess up the norton? Also, what makes you think it's an Arkansas?

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    Senior Member doorsch's Avatar
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    Quote Originally Posted by Vasilis View Post
    It could be an Arkansas stone. It looks like it needs some lapping.
    1+ can only agree on the statement
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    Senior Member Vasilis's Avatar
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    Quote Originally Posted by littlestropper View Post
    Can you lap an Arkansas stone with a norton silicon carbide lapping stone or would that mess up the norton? Also, what makes you think it's an Arkansas?
    I don't see why you can't lap the stone with the Norton lapping plate, unless they say "don't try it on Arkansas stones". You can try sandpaper on a (really) flat surface if you are not sure.
    I'm not sure why. The no 2 and 3 photos, sides and edges-corners, it look like non porous novaculite. Cutting marks are also not visible like most of the slate stones. Is it slow, and, can you make slurry on it? Touch it with a flashlight and see if light passes through, to see if it's translucent.

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    Senior Member doorsch's Avatar
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    Ohh its still listed on the bay, right ?
    Is it your auction ?
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    Quote Originally Posted by doorsch View Post
    Ohh its still listed on the bay, right ?
    Is it your auction ?

    Location is right.

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