@Turboman
An "amazing" new type of mineral has been discovered by scientists analysing a rock mined in Cornwall about 220 years ago. The dark green mineral has been named kernowite after Kernow, the Cornish language word for Cornwall. A group led by Natural History Museum (NHM) mineralogist Mike Rumsey made the discovery while studying a rock taken from Wheal Gorland mine in St Day.
Mr Rumsey said: "It's amazing that in 2020 we are adding a new mineral." For centuries, mineralogists believed the green crystals to be a variation of another mineral, liroconite, but Mr Rumsey and his team found it has a different chemical composition.
Blue liroconite is highly prized by collectors around the world, and the majority of it comes from the Wheal Gorland site.