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Thread: Interesting Coticule and ID please

  1. #1
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    Default Interesting Coticule and ID please

    Hello,
    I have an interesting coticule I bought in a shop near me. It has an interesting pattern on top and on the side you can see that the pattern changes to some smooth looking part. On this part it also has some layers, wich appear to be bluish. It also has a fault at the bottom wich is filled with the bonding material, which I suspect is resin. The Coticule part is also quite large, about 12-14 mm. The other dimensions are 40x150mm. I got it with a label from Robert herder, Windmuehle Messer.
    I think it might be la verte, la grosse jaune or la grise, but I don't really know. Also the stone is quite slow. On slurry it took more than one set of halfstrokes (20 each side) before some discoloration could be seen.
    https://blunon2.uber.space/images/coticule2/1.jpg
    https://blunon2.uber.space/images/coticule2/2.jpg
    https://blunon2.uber.space/images/coticule2/3.jpg
    https://blunon2.uber.space/images/coticule2/4.jpg
    https://blunon2.uber.space/images/coticule2/5.jpg
    https://blunon2.uber.space/images/coticule2/6.jpg
    https://blunon2.uber.space/images/coticule2/7.jpg

  2. #2
    Senior Member TristanLudlow's Avatar
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    Your guesses of layers are as good as mine, all good layers though, I love the woodsy type patterned Coticules, they're my favorites

    Nice looking one!
    Vasilis likes this.

  3. #3
    Preserver of old grinding methods hatzicho's Avatar
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    Grainy pattern look that reminds on wood grain and small blue lines on the side - most probably La Grise ou La Verte.

    Regards Peter

  4. #4
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    What you are looking at is a La dressante au bleu with a small layer of La dressante upper layer glued to a slate.

    Usualy the La dressante au bleu is the bottom dressante natural combo with BBW...
    It is a softer stone with a whet chalk smell to it
    Slurry speed is moderate to slow cutting.
    Speed on water is slow ith plenty of suction and the sensation of bumps on the stone surface.
    Audio feedback is light.

    Finese...it is one of the finer layers of coticule and usualy gives a combination of sharp and smooth edges.

    Used with oil or under running water to finish will improve the edge.

    The La dressante upper layer usualy sits on top of this layer.

    There must have been a problem with the natural bbw layer the La Dressante au bleu was bonded too....so they lapped it and the bottom layer became the stone face you are looking at...
    The superficial La Dressante Upper is now bonded to the slate...it probably also had some flaws because in many cases the Upper layer is prefered because it tends to be harder and denser then the Au Bleu layer.

    Interesting stone...

    And...no....you did not guess right the layers

  5. #5
    illegitimum non carborundum Utopian's Avatar
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    Yup, it's a coticule. The more you use it the more you will learn from it.
    Feel free to name it anything you'd like.
    ovidiucotiga likes this.

  6. #6
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    Yup ... its a coticule...but ''guess the layer'' is a fun game these layerig sistem was originaly established by the miners at Ol Preu quarry. Some other mine used layering systems but not all looked the same.

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    Quote Originally Posted by ovidiucotiga View Post
    Yup ... its a coticule...but ''guess the layer'' is a fun game these layerig sistem was originaly established by the miners at Ol Preu quarry. Some other mine used layering systems but not all looked the same.
    Yes I know. But part of this post was just about showing off the stone xD
    I just thought it was interesting and wanted to share some images.

    Quote Originally Posted by ovidiucotiga View Post
    What you are looking at is a La dressante au bleu with a small layer of La dressante upper layer glued to a slate.
    I thought la dressante was always smooth looking without pattern.

  8. #8
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    LDA b may have patyern. LDUL usualy has no pattern.

    The stone is nice!

  9. #9
    Senior Member TristanLudlow's Avatar
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    Who knew centuries ago we would be discussing pieces of rock to this length on the internetz

    Then again, the Romans were allegedly also using Coticule stones and to many people in previous millenniums stones were much more important or vital than to us now.


    I can't tell what layer you have, the pattern looks like my La Grise, but the sideway picture is totally different. I don't have enough knowledge to tell anything worthwhile.

    Either way, I think all those hones looking alike have alike characteristics.


    Showing off your rock is something we all like to do, especially with Coticules, they're never the same and always fun to look at (yup, we're looking at and sharing pictures of a piece of rock, hehe)

    Let us know how it works on your razors!

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