Azurite
Formula:Cu3(CO3)2(OH)2
Colour:Azure blue, blue, light blue, or dark blue; light blue in transmitted light
Classification:Carbonates
Lustre:Vitreous
Crystal System:Monoclinic
Hardness:3.5-4
Specific Gravity:3.77
Formula:Cu3(CO3)2(OH)2
Colour:Azure blue, blue, light blue, or dark blue; light blue in transmitted light
Classification:Carbonates
Lustre:Vitreous
Crystal System:Monoclinic
Hardness:3.5-4
Specific Gravity:3.77