Gem, Rock, and Mineral Postage Stamps Featuring

Mineral Name: Pitchblende

Composition: Uranium oxide

Nomenclature: Named after its dark, massive appearance.

Industrial Uses: Ore of uranium.

Additional Notes: Pitchblende is radioactive due to its uranium content. Pitchblende is an amorphous, impure variety of the mineral uraninite.

Zaire : Scott 1105 : 1 zaire : 13 Feb 1983

Uraninite; pitchblende