Pyrolusite Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2011-R.Weller

 
pyrolusite-radiating crystals-3
Crosby Ironton area, Crow Wing County, Minnesota
 

pyrolusite                                                                                                                                       2428
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College

courtesy of William Walentiny