torbernite

noun

1. a mineral, hydrated copper uranium phosphate, CuU2P2O12⋅12H2O, occurring in square tabular crystals of a bright-green color: a minor ore of uranium; copper uranite.

noun

1. a green secondary mineral consisting of hydrated copper uranium phosphate in the form of square platelike crystals. Formula: Cu(UO 2) 2 (PO 4) 2 .12H 2 O