Gem, Rock, and Mineral Postage Stamps Featuring

Mineral Name: Uraninite

Composition: Uranium oxide

Nomenclature: Named after uranium, the primary constituent of the mineral.

Industrial Uses: Ore of uranium.

Additional Notes: Uraninite is radioactive due to its uranium content. Also referred to as "gummite." The amorphous, impure variety of uraninite is referred to as "pitchblende."

Zaire : Scott 1105 : 1 zaire : 13 Feb 1983

Uraninite; pitchblende