Autunite & Sklodowskite (w/ minor Tridymite & Thomsonelite) - Spider Mine, Honeycomb Hills Mining District, Juab County, Utah, USA

Ca(UO₂)₂(PO₄)₂ · 10-12H₂O               Mg(UO₂)₂(SiO₃OH)₂ · 6H₂O

A great display specimen of Autunite & Sklodowskite with minor Trydymite & Thomsonelite from the Spider Mine, Honeycomb Hills Mining District, Juab County, Utah. The Autunite in this specimen fluoresces quite brightly as is typical for the species.

Approx. specimen size: 55mm x 35mm x 25mm

Approx. specimen activity on an SE International Ranger EXP: 10 000 cpm