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RM1825   Thorianite

Amboasary Sud District, Anosy, Tuléar, Madagascar

From a classic locality for the species is coming this thorianite cube, with pointed faces of the octahedron, intense black color and brightness. The thorianite is a thorium oxide, almost always with some uranium content, the uranothorianite variety. This specimen contains about 5-6% by weight of uranium. We will send the analysis to the buyer.

Size: 4 x 4 x 3 mm.
Found in 1998.

Presents radioactive activity.