Pyrolusite Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2010-R.Weller

 
pyrolusite crystals-1
Pyrolusite is manganese oxide.  It is a black, rather hard mineral (6 to 6.5) and is a
major ore of manganese.
 

pyrolusite                                                                                                                                           1
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.