Like Hot Rocks? Autunite from the Daybreak Mine, Spokane, WA


This is about as hot as I want to get - check the meter: 3,600CPM.  Autunite is equally fluorescent under all wavelengths (shortwave shown) and is very bright.  This pic was taken at iso100, f8, 1/5 sec.  Great little specimen from a classic locality.




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