Uranophane - Smith Hill Mine #2 Mine, Alstead, N.H., USA

Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O

A nice display specimen of Uranophane from the Smith Hill #2 Mine, Alstead, N.H., USA. This specimen is an old collection piece, and included a label directly on the specimen.

Approx. specimen size: 50mm x 35mm x 15mm

Approx. specimen activity on an SE International Ranger EXP: 9700 cpm