Bayleyite, Liebigite, Gypsum: Schwartzwalder Mine, Ralston Buttes Mining District, Jefferson County, Colorado, USA

Description

Species: Bayleyite, Liebigite, Gypsum
Locality: Schwartzwalder Mine, Ralston Buttes Mining District, Jefferson County, Colorado, USA
Dimensions: 6 cm x 5 cm x 3.5 cm

Excellent specimen featuring abundant bright yellow bayleyite microcrystals and paler yellow-green liebigite at lower right (also on label but differentiated by its bright fluorescence) with unidentified colorless crust (probably gypsum) from the classic Schwartzwalder mine in Golden, Colorado. Eric Quinter specimen U/Th 672, pictured on Mindat.org.