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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.

Locality: Altenberg, Pöllan, Paternion, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria

Chris Auer photo and collection

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