The clearness of this Azurite is outstanding.
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: Moldova Noua, Caras-Severin; Romania.
Photo: László Tóth
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