A couple of weeks ago I was at the lake district and I picked up odd pices of slate lying around lakes, fields (and car parks - always a bit of slate there).
Since I got them Ive been told only some slate is safe. Can anyone tell if its likely to be the right sort, from the lakes?
I have jet washed them, some bits seem to have browny patches which could be iron, so I'll discard them.
I know slate comes in different colours but they all just seem different shades of grey, maybe a bluish tinge to some?
Since I got them Ive been told only some slate is safe. Can anyone tell if its likely to be the right sort, from the lakes?
I have jet washed them, some bits seem to have browny patches which could be iron, so I'll discard them.
I know slate comes in different colours but they all just seem different shades of grey, maybe a bluish tinge to some?
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