Uraninite - Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA

UO₂

A great sample of dark, metallic Uraninite in a matrix of Microcline and Muscovite Mica from the Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA.

Approx. specimen size: 75mm x 55mm x 55mm

Approx. specimen activity on an SE International Ranger EXP: 109 000 cpm