Meaning of torbernite

tor•bern•ite

Pronunciation: (tôr'bur-nīt"), [key]
— n.
  1. a mineral, hydrated copper uranium phosphate, CuUPO&multiplydot;12HO, occurring in square tabular crystals of a bright-green color: a minor ore of uranium; copper uranite. Also called chalcolite.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.