Psilomelane
A bright black botryoidal mass of psilomelane. Psilomelane comprises of (barium manganese oxide hydroxide). Specimen from Monkstone mine, Brent Tor, Devon
Picture No
10710681
Media ID
47578427
Size
1839px x 1353px
(1.6MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
