Uranophane (Lambertite) - Lusk, Wyoming, USA

Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O

An old collection specimen of Uranophane (originally labeled Lambertite) from Lusk, Wyoming, USA.

Approx. specimen size: 65mm x 50mm x 20mm

Approx. specimen activity on an SE International Ranger EXP: 37 000 cpm