Min. [f. URAN-IUM + -IN1: see -ITE1 2 b.] Pitchblende.
1879. Amer. Jrnl. Sci., Ser. III. XVIII. 153. The masses contain in many cases, a nucleus of uraninite.
1897. L. Fletcher, Introd. Study Min., 89. Uraninite, or Pitchblende, consists almost entirely of oxygen and uranium.