A truly rare specialty item. This Autunite find produced some gem-grade beauties of museum quality. The UV reaction is incredible. The crystals form is immaculate. Autunite crystals are comprised of 48.27 % PURE Uranium! Non dehydrated Autunite crystals formed on a black Quartz layer on Granite host rock. Spectacular!
350,000 cpm on Radiacode 110
Nanjingqiao Mine, China
10x7x3.5 cm
251 grams