Bournonite
Bournonite or cog-wheel ore comprises of (copper lead antimony sulphide). Cog wheel ore contains the mineral chromite, though it is difficult to extract from crystals
Picture No
10711169
Media ID
47585015
Size
3532px x 3548px
(11.9MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
