Uranopilite & Natrozippeite: Picket Corral Mine, Montrose County, Colorado

Description

Species: Uranopilite & Natrozippeite

Locality: Picket Corral Mine, Uruvan District, Montrose County, Colorado, USA

Dimensions: 7.5 x 4.3 x 2.5 cm.

A good rich example of these rare and colorful secondary uranium minerals, collected in May of 2023. Good coverage and bright yellow to green to blue fluorescent response. Measures ~50,000 CPM on my Ludlum Model 3 Survey meter with the 44-9 probe. Rare!!