Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
psilomelane dendrites-1
It is difficult to determine which of the
manganese oxides comprise this dendrite
specimen, psilomelane or pyrolusite.
psilomelane
3
Photo is copyright free only for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.