Coticule love... show off your rock

[timwcic]

My quest for wild coti's continues with this find. A boxed natural measuring 10 x 2 3/8 inches. It is a large stone and very heavy for its size. Even though is is unlapped, the surface is smooth and slick. A nice addition to my rock pile.

 

[David]

Wow that's a giant. Congrats on another great score! How hard is it?

 

[timwcic]

Wow that's a giant. Congrats on another great score! How hard is it?

Thank you David. I could not scratch with my finger nail. I also tried to slurry with my 325 DMT and got a small amount slurry. Do not know it's personality yet but it is definitely a medium hard to hard. It also has a Figured textured surface as seen thru a loupe.

 

[SliceOfLife]

Got this last week and was amazed noone really fought over it.

I've seen cotis and thuris with this pattern drilled into them before (I've actually got a Thuri with it), and it's ALWAYS the same pattern, so I was pretty sure it was a marketed thing... not just something some folks did to copy the synthetic "perforated" hones. This is the first boxed/labeled one I've gotten.

The stone is very hard but also very fast. The back of the coti (it's apart from the bbw) has a ton of character. BBW is about as standard as you can get. Deep blue, standard BBW pattern, I suspect it's soft.

The directions are fun. It says to use Oil or Lather. Says both work the same, but lather is preferable because it's less messy. Apparently they also sold a perforated strop that you were supposed to use after these stones.

 

[David]

Cool stone. I always figured it was guys drilling those holes themselves. Glad you found a boxed example. What's it like to hone on those? Do you get any suction as you go over the holes?

 

[SliceOfLife]

Not with oil or water. I haven't tried it with lather yet. The hone perforations are supposed to "Strip" the "wire" off. The strop (which I don't have) perforations are supposed to create a vacuum to hold the edge to the strop.

"Oil can be used on hone, but lather is as good and much easier to clean off."


Finding this, it makes me suspect that "Swift & Suderlin", the company marketing "perfection" hones cared only about their perforation patent, and would actually just buy whatever unlabeled barbers hones they felt like, drill holes in them and market them. I've seen a couple different synthetics under this trademark, this coticule, and like I said, I've seen Thuri's bearing this exact pattern... though without labels.

 

[Bushdoctor]

Usually this kind of holes are typical of synthetic stones and were intended to keep clean the surfarce, draining the iron filing through the holes. I think that for a coticule this holes are useless.

 

[Old Frog]

17th Century Belgian painting of angry ocean waves breaking on a rocky shore...oh, wait...it's my Les Latneuses coticule from the Ol Preu mine that just arrived from Tomo, which has already refined the edge on my Kamisori. Also back side with strata.
Thanks for another piece of Mother Nature's art!

 

[David]

Nice Les lat!

 

[David]

Think it would hurt me if I drank some of this slurry?

 

[kcb5150]

How fast is that?

 

[David]

It's very fast on slurry.

 

[rideon66]

View attachment 761910 View attachment 761911 Think it would hurt me if I drank some of this slurry?

it might give you the slurries.

 

[Old Frog]

View attachment 761910 View attachment 761911 Think it would hurt me if I drank some of this slurry?

If not now, when?! You'll never know you did it..

 

[David]

it might give you the slurries.

Haha!

 

[Jnatcat]

Nothing fancy here boys but after two years I decided to revisit coticules and got this little finisher from Gary H. it's a 2 x5 LV that Gary tested for me, last pic is how it fits into the family photo with my JNATS

 

[kcb5150]

That's a really nice form factor.

 

[Sando]

17th Century Belgian painting of angry ocean waves breaking on a rocky shore...oh, wait...it's my Les Latneuses coticule from the Ol Preu mine that just arrived from Tomo, which has already refined the edge on my Kamisori. Also back side with strata.
Thanks for another piece of Mother Nature's art!
View attachment 761811 View attachment 761812 View attachment 761813

Wow. That's a beauty!

 

[cmh737]

Brand new out of the box: La Veinette 150mm x 50mm

 

[David]

Nice La Veinettes!