Petrovite

Petrovite is a blue and green mineral, with the chemical formula of Na10CaCu2(SO4)8. It contains atoms of oxygen (O), sodium (Na), sulphur (S), calcium (Ca) and copper (Cu) in a porous framework. It has potential as a cathode material in sodium-ion rechargeable batteries.

It was discovered in volcanic lava flows in the Kamchatka region of Russia's far east and first described in 2020.