Thread: identification de pierre

I wrote on Coupechouxclub if this is a hard stone i didnt meant a "heavy stone"
bad translater :-)

If so my Vote is CF...this is no Swedenstein iam 100% shure here is the Swedenstein...

@Vasillis: great you used that Video from my Channel i really appreciate it, thats for what these Videos are meant to use for !!

https://farm8.staticflickr.com/7419/...d8fa8e_c_d.jpg

Thank you all for increasing my knowledge. I was told the stones name originally by a respected personage. Now I know better.
Thank you again...all!
~Richard

I understood doorsch; ) It is not hard
I have also translated fail me in this forum

Thanks for the videos doorsch, very informative, I didn't know they were yours, awesome job. We need more of those.

Gentlemen, I have seen a lot of stones that look or perform much different than the rest of their family, but in that case, what makes everybody think this is a Charnley stone?
Btw I bought my first Charnley from France, my first coticule from Turkey, and I have found labeled Thuringians here in Greece. Not resold, old ones that arrived many years ago. It's not a matter of where you bought it.
But what makes you think this is one?

Just from the colouring and in my Point of View there are often these smal holes sometimes directly on the lines sometimes somewhere else in the stone i will make some detail shots of my stone...

What does not fit is Antoines reply concerning the hardness...if it is a CF it would be very hard and not easy to lap....

surfacing it behaves as a coti

Originally Posted by doorsch

Just from the colouring and in my Point of View there are often these smal holes sometimes directly on the lines sometimes somewhere else in the stone i will make some detail shots of my stone...

What does not fit is Antoines reply concerning the hardness...if it is a CF it would be very hard and not easy to lap....

I have had 4 Charnley stones, and I've been following the UK bay for stones and images for years now. For my stones, they weren't too hard. Maybe like a Belgian blue, but far softer than translucent Arkies.
All of them were 9"-23 cm long or longer, and always 1 3/4 ~4cm long. You have to try really hard to find a Charnley that's less than 8"-20cm. Unless the owner cuts it himself.
The sides and back side is always crude cut. No straight lines, and, it's a fact that it's extremely hard to cut a piece of novaculite.
Always soaked in oil, they smelled like old oil and couldn't keep water on their surface, even after a lot of lapping. This one looks somewhat porous-er than a charnley, and does not appear to have been used with oil at all. The color is much lighter, and that doesn't mean something, but the red line or spots are a somewhat common characteristic that does not appear here. You can also see in some of the Charnley stones flaking (a common thing for novaculite stones, especially Llyn Idwal and Turkish oilstones). The non toxic dots- pores in Charnley stones are almost always filled with a very fine red powder, Iron oxide, where, in this case, they look different.
And the overall image, the stone looks slate-y, nothing like a novaculite stone.
And, I wouldn't be surprised at all if the stone is a finisher.

Probably youre right Vasilis...i have another one to throw in iam also searching for Identification...

Also comparable to a Coti...greenish with lines (in this case yellow/green).

Interesting is that the pattern is quite comparable to Antoines stone with a light to darker green, some faint smal striations and little very smal dots...slurry is greenish if pictures are wished i can post some....

https://farm4.staticflickr.com/3683/...65fb54_c_d.jpg

I assume CFs don't seem quite as hard when you're using a DMT for lapping or another fast method. In comparison to the harder arkies and LIs they're almost a delight to lap but when you're only using regular sanding paper you will respect the stone Also being natural stones some will be softer than others.

Having big red spots makes it easy to identify a CF. But without them you can often still recognize them by their natural shape, the colour, having shades of a green and sometimes veining.

I also noticed part of the texture has a resemblence to that of a Schwedenstein so Geezer's guess wasn't odd

Here's a tiny stone from Undream which I believe shows the Schwedenstein texture:

on m'avait vendu celle ci comme une CF mais après je pensais plus tôt a une Llyn Idwal
la taille elle fait 25.5 cm de longu et 4.5 cm de large