Azurite |#Geology
Formula: Cu3(CO3)2(OH)2
System: Monoclinic
Colour: Azure blue, blue, light ...
Lustre:Vitreous
Hardness:3½ - 4
A secondary copper mineral frequently found in the oxidized zones of Cu-bearing ore deposits.
From Tsumeb Mine, Tsumeb, Otjikoto, Namibia