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Thread: super hollow coticule

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    Senior Member bartds's Avatar
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    Default super hollow coticule

    G'day gents
    scored this piece of rock at the annual antiques market the other day
    obviously a coticule - maybe 'la dressante au bleu' or 'la grosse blanche'?
    I flattened the BB side which is very usuable
    the coti however is extra hollow so no idea what to do with it
    can it be used in the current state or should I have it flattened ?
    If I should flatten there won't be much left of the coti surface...
    any advice from you guys please ?
    cheers
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    Preserver of old grinding methods hatzicho's Avatar
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    Nice example! I would leave it as it is and simply use the blue side. Flattening the coticule side you would loose so much material and only have a very thin layer left if you manage to level it down either. Just take it as a piece of history and think about the widely use it had in the past. With a bid of experience you may sharpen some knifes on the coticule side also in the present state. Not useable for razors though.
    Regards Peter

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    Senior Member bartds's Avatar
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    Thank you Peter
    I may use the piece to create slurry on my Veinette
    regards Bart
    Quote Originally Posted by hatzicho View Post
    Nice example! I would leave it as it is and simply use the blue side. Flattening the coticule side you would loose so much material and only have a very thin layer left if you manage to level it down either. Just take it as a piece of history and think about the widely use it had in the past. With a bid of experience you may sharpen some knifes on the coticule side also in the present state. Not useable for razors though.
    Regards Peter
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    Senior Member blabbermouth tintin's Avatar
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    Maybe a stupid idea but you could cut it in half at the low point and get a pretty thick wedge piece?
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    Senior Member blabbermouth Geezer's Avatar
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    Hello Bart, Good to see you here!

    ~Richard
    Be yourself; everyone else is already taken.
    - Oscar Wilde

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    Senior Member bartds's Avatar
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    Hi Richard , scored some more at the annual antiques market last week - will post more as I have no idea what they are - best wishes BartName:  IMG_1515.jpg
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    Quote Originally Posted by Geezer View Post
    Hello Bart, Good to see you here!

    ~Richard
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    Senior Member bartds's Avatar
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    Great idea - never thought about that !
    cheers Bart
    Quote Originally Posted by tintin View Post
    Maybe a stupid idea but you could cut it in half at the lowGreat point and get a pretty thick wedge piece?
    I was tryin' to figure out which is worse,ignorance or apathy...Then I realized I don't know and I don't care...

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    I've recently purchased 2 vintage labeled coti's that were dropped, worn and unusable. Sawed them up into slurry stones and I'm happy as a clam. I can use the slurry on anything and enjoy the coti goodness of a really nice stone. I've been using them alot.
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    Master of insanity Scipio's Avatar
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    If you had the patience, you could lap (saw, initially) that into a useable coti. Just because it will be very thin, does not preclude it from being a great, functional coti. Sure, it would be thin, but it is a rock. A few mm will still last a long time. Just my humble opinion.

    By the way, great finds and I can't wait to see what the rest are.

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    Quote Originally Posted by Scipio View Post
    If you had the patience, you could lap (saw, initially) that into a useable coti. Just because it will be very thin, does not preclude it from being a great, functional coti. Sure, it would be thin, but it is a rock. A few mm will still last a long time. Just my humble opinion.

    By the way, great finds and I can't wait to see what the rest are.
    If you're going to go that route, I'd cut off the thick ends first for slurry stones. No sense wasting it down the drain, and a little shorter length won't hurt anything usability-wise.
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