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Thorianite
QT07
Madagascar
€165.00
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Thorianite Fort Dauphin, Madagascar. A 2.2x1.6x1.1cm single crystal of this thorium oxide, the size is already above average for a thorianite crystal. The largest known is at the Ecole des Mines de Paris and is 7cm square, a monster, given that between 3cm and 7cm there are virtually no known specimens. Radioactive mineral
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