Pitchblende. | |||
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Pitchblende. In 1962 it was reported that traces of technetium could be detected in samples of natural pitchblende from Africa. Source: Jensan Scientifics Contributor: Theodore Gray Acquired: 30 April, 2009 Text Updated: 1 May, 2009 Price: Anonymous Size: 1" Composition: UO2+Tc | |||
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