Psilomelane Photos           
Cochise College                                                                                                                                
Photos of Gemstones
Translucent Gemstones

Geology Home Page
Roger Weller, geology instructor               

last edited:  11/15/17    number of photos:  3
Psilomelane is a hydrated manganese oxide

polished specimens
banded psilomelane from Mexico:  A  B  C

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

copyright 2017-R.Weller