Geiger counter test uranium ore & radioactive saucer

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The saucer was made between 1930 and 1942 and the unique orange color comes from a glaze formula containing uranium oxide. The ore is a sample of uraninite in sandstone. Tiny black uraninite crystals are throughout the rock and the yellow color is due to oxidized vanadium. This piece also has nice examples of coalified wood in which you can still see the wood grain (see photos). GUARANTEED TO MAKE YOUR GEIGER COUNTER BUZZ.Good operational check sources. This ore sample was collected from the Colorado Plateau. Radiation was measured on an Electro-Neutronics CD-V-700. With the stock probe, shield open, the reading was 6000 CPM. Readings were also made with a Ludlum 3 survey meter and a pancake probe yielding a 55,000 count per minute reading. The Saucer yielded reading of 4,500 CPM on the CDV-700 with stock probe, and 40,000CPM on the Ludlum 3 and pancake probe. Readings made with the CDV-700 and stock probe are Beta gamma, while readings made with the Ludlum 3 and pancake probe are Alpha as well as Beta and Gamma. The higher readings obtained with the pancake probe is due mainly to the larger gas volume, greater collection area, and thin entrance window of this type of tube and to a lesser degree by the detection of alpha particles. As with all radioactive mineral samples, a little common sense will help make them safe to own. Proper read more

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