Autunite & Uranophane - Ruggles Mine, Grafton, Grafton County, New Hampshire, USA

Ca(UO₂)₂(PO₄)₂ · 10-12H₂O          Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O

A cabinet specimen of Autunite & Uranophane from the famous Ruggles Mine, Grafton, Grafton County, New Hampshire USA. The Autunite in this specimen is highly fluorescent under all wavelengths of UV light.

Approx. specimen size: 120mm x 75mm x 50mm

Approx. specimen activity on an SE International Ranger EXP: 6 000 cpm

Ex. Mount Holyoke College Collection