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.

Amazing specimen of Azurite on Malachite from the Khanong open pit at the Sepon Mine in the Savannakhet Province of Laos.