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
Manganite
at
Colorado - American Mine (West Vein; Trefone Adit; East Vein; American Shaft; Mill Adit; Branch Or Collins Vein), Browns Canyon District, Chaffee Co., Colorado, USA