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Concentrate from Uranothorianite.
An example of the element Radium

Sample Image
Radium Concentrate from Uranothorianite
Concentrate from Uranothorianite.
A student in Austria isolated about 0.5 micrograms of radium from a sample of uranothorianite (much as the Curies first did) and sealed it in this well-made glass ampule. The powder you see is mostly BaSO4: That much pure radium would be worth a fortune and would also have to be kept in a separate room well away from any living things.
Source: Anonymous
Contributor: Anonymous
Acquired: 4 March, 2004
Text Updated: 8 December, 2007
Price: Donated
Size: 2"
Purity: 0.0000005%
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