Thread: Unknown stone. ID please.

I'm from the uk so I think this stone might be too. I think its a natural stone. Its a soft stone thats dark gray almost black. I've lapped it to 600 on wet and dry paper.



The bottom.


I was told to post here by UKRob on another forum.

looks like a Welsh Slate type of hone, I would guess a Dragon Togue when looking at the colors in your second image, it looks like it has been abused quite a bit, where did you get it?

It's darker then my DT and a softer. It came from a carboot (like a flea market) in Norwich. This is what it looked like when I got it.

There are many slates of different characteristics available in UK. What is the size?

Its about 250mm x 50mm x 24mm

Looks to be welsh slate.

You can get 3 in a bulk pack off ebay pretty cheap.

http://www.ebay.com/itm/LARGE-8X3-WE...-/171288468596

The size is not helping much for ID either.

If the slurry is purple it could be a Llyn Melynllyn (Yellow Lake). Mine is roughly 10k. It works with water or oil

That would have been nice but the slurry is a pale gray. I thing it might be a slate but it's much finer than my DT. Not bad for the price 50p (84 cents)

Reminds me a bit on the Silkstone i have...talking about black and grey slates its really difficult to differ because there are several
stones around (Dragons Tongue, Yellow Lake, Silkstone, etc...).....

Yellow Lake before lapped:


Silkstone lapped (has fine silk like layers, when surface is wet):
http://straightrazorpalace.com/hones...ats-story.html