Andersonite: Pickett Corral Mine, Montrose County, Colorado

Description

Species: Andersonite

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

Dimensions: 13.5 x 4 x 3.5 cm.

A superb large, neon-green, very rich example of this rare secondary uranium mineral, collected in May of 2023. Good coverage and excellent extremely bright green to blue fluorescent response. Measures ~50,000 CPM on my Ludlum Model 3 Survey meter with the 44-9 probe. Rare!!