Uraninite/Gummite - Ruggles Mine, Grafton, Grafton County, New Hampshire, USA

UO₂

This specimen displays the characteristic splotchy black/grey Uraninite with areas transitioning to orange gummite. 

Approx. specimen size: 90mm x 60mm x 70mm

Approx. specimen activity on an SE International Ranger EXP:79000 cpm