Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by
mindat.org
There are no ages for
Chalcocite
at
Greenhorn Mine (Greenhorn Vein; Willow Creek Mines Inc.; Warren Brothers), French Gulch, French Gulch District, Klamath Mts, Shasta Co., California, USA