Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
silver ore-2
silver ore rich in manganese oxides
closer view
There are very few specimens of silver ore
from Tombstone, Arizona.
silver
6140
Photo is copyright free
only for
non-commercial educational uses.
Credit photo to R.Weller/Cochise College.
Specimen Courtesy of
Wayne Chartier
(520) 559-5326