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22LikesThread: Flee market stone 2
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07-08-2021, 04:45 PM #21Preserver of old grinding methods
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Well it is not a slate. Looks more like a sandstone type of stone.
Such as for example the Gosauer we have in Germany:
How hard and fine is the stone really?
Regards Peter
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07-08-2021, 07:19 PM #22Senior Member
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It took a 300grit diamond plate quite a bit of time to to flatten it. As for how fine I can only compare it to what I have at my disposal.
Originally Posted by hatzicho
Well it is not a slate. Looks more like a sandstone type of stone.
Such as for example the Gosauer we have in Germany:
How hard and fine is the stone really?
Regards Peter
It is not quite as fine as the Coticule from my other post.
But much finer than my Norton 8k but if feels a bit more gritty than my Shapton 12k.
If you can tell me a way to test how hard it really is I would be glad to try it.
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07-08-2021, 07:19 PM #23Senior Member
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Like these for example. Originally Posted by PaulFLUS
Iron by iron is sharpened, And a man sharpens the face of his friend. PR 27:17
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07-08-2021, 07:25 PM #24Senior Member
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I never saw any saw marks on this one but that that line on yours that runs the length of the stone is also present on mine. Originally Posted by PaulFLUS
Like these for example.
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