Fascinating video, ingenious mining methods, amazing natural product, £Billions will be added by to our exports, and I for one have never ever heard of this stuff before today - although I’m sure the forum know it all’s will undoubtedly claim to have known about it for decades, as they always do
https://m.youtube.com/watch?v=u0pI7BjBha8
What a fantastic product! No chemical crap to poison the planet either!