Andersonite: Pickett Corral Mine, Montrose County, Colorado

Description

Species: Andersonite

Locality: Pickett Corral Mine, Uruvan Mining District, Montrose
County, Colorado USA

Dimensions: 8 x 5.5 x 3.5 cm.

A good rich example of this rare secondary uranium minerals, collected in May of 2023. Good coverage and excellent extremely bright green to blue fluorescent response. Shows small but distinct andersonite crystals on matrix, which is quite rare for this normally just druzy/crusty mineral. Measures ~50,000 CPM on my Ludlum Model 3 Survey meter with the 44-9 probe. Rare!!