My mind got boggled again yesterday – someone had found a mineral enclosed in a diamond that bought it up from the Earth’s lower mantle – amazing. I just looked it up – the mineral was our new friend a perovskite – in this case calcium silicate (CaSiO3) and not the Pb-halide type appearing in solar cells. …
This story continues at Diamond carries stuff up from 660km underground
Or just read more coverage at Electronics Weekly