File:Wadi Bakariya, various types of anvils used to crush aurferous quartz.jpg: Difference between revisions

Wadi Bakariya, type of anvil used to crush auriferous quartz. This picture has been taken by Barbara Tratsaert.
(Wadi Bakariya, type of anvil used to crush auriferous quartz. This picture has been taken by Barbara Tratsaert.)
 
(No difference)