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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.

From: Kozári Quarry, Pécs, Hungary.

Photo Credit: Tóth László

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