Nice chunk of Petrified Wood with bright yellow Carnotite on it! Fun Radioactive specimen!
3.1 x 2.9 x 1.8 cm
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Fine sample of Autunite from the premier French location. Clusters on a granular quartzsite matrix. Best to be placed in one spot with minimal handling.
12 x 11.5 x 5.8 cm
New Method Uranium Mine, Amboy, California
Vug of Calcite with lots of Boltwoodite all over the place.
4.4 x 2.9 x 2.1 cm
Large matrix featuring calcite, fluorite and the uranium mineral boltwoodite. This specimen has a fine mixture of crystals.
8.5x 3.1 x 3 cm