Locality: Marysvale Mining District, Piute County, Utah, USA
Dimensions: 7.5 x 6.5 x 5.5 cm.
For your consideration is this nice large specimen covered in platy yellow green autunite crystals from the Marysvale Mining District, Piute County, Utah, USA. Ex. Colorado School of Mines Geology Museum and ex. Gerald Herfurth (1930-1998) collection. Measures ~10,000 CPM on my Ludlum Model 3 Counter with the 44-9 Probe.