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
Pyrolusite
at
Manga-Chrome Mine (Manga Chrome; Magna-Chrome Mine; Duggan Mine; Steams And Owens [?]), Limekiln, Spenceville District, Nevada Co., California, USA