Hydrated copper uranyl phosphate, forming distinctive bright green, micaceous, tabular crystals. It's highly radioactive and associated with potent transformation. (Primarily collector's mineral).
Emerald Green, Grass Green, Apple Green, forms tabular or pyramidal crystals, micaceous, fluoresces weakly
Torbernite is classified as a phosphate minerals mineral which typically crystallizes in the tetragonal system. Its chemical formula is Cu[(UO2)(PO4)]2(H2O)12[1]. Common crystal habits include tabular crystals; foliated to earthy masses and encrustations.