Pyrolusite Photos             
Cochise College
Photos of Bisbee Minerals
Geology Home Page
Hall of Minerals
Roger Weller, geology instructor               


Bisbee, Arizona
last edited:  4/10/117    number of photos: 3
Pyrolusite is MnO2                                                                                 


pyrolusite-botryoidal and drusy:  1  2  3

Photos are copyright free for non-commercial educational purposes. 
Just credit photos to R.Weller/Cochise College.
copyright 2017-R.Weller

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