Hello. I've hopefully attached a picture of a brick, I wonder if anyone knows what it is. At college back in the day I think they had a few similar which they called silica. But Im not sure.
It has a bit chipped off to reveal its guts, (incase you couldn't understand it's shape).
Cheers.
It has a bit chipped off to reveal its guts, (incase you couldn't understand it's shape).
Cheers.