The measured radioactivity of this piece of dolomite (approx. 4.5 x 2.75 inches) with a layer of pure pitchblende is about 400 - 500 μSv/h which is about 70,000 - 87,000 counts per minute. It was found in core 371 on the area of the former SDAG Wismut (Soviet German Stock Company) in Hartenstein in former East Germany.
Негізгі бет radioactive pitchblende uraninite mineral specimen
Пікірлер: 12