Psilomelane Photos           

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

polished psilomelane- Mexico


last edited:  2/28/18    number of photos:  15
Psilomelane is (Ba,H2O)2Mn5O10

Mineral information on psilomelane
The origin of the word psilomelane comes from two root words that mean
smooth and black.  Banded varieties of psilomelane can be polished as a gemstone. 
psilomelane dendrites:  1  2  3  4  5  6
psilomelane, banded:  1  2  3  4
polished banded psilomelane from Mexico:  1  2  3
psilomelane, botryoidal:  1  2

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Just credit photos to R.Weller/Cochise College.
copyright 2018-R.Weller