Azure blue Linarite. An excellent example of this rare lead sulphate from Tierra Amarilla, Copiapó Province, Atacama, Chile.
Mineral Species: Linarite
Mineral Group: Sulphates
Chemical Formula: PbCu(SO4)(OH)2
Hardness: 2.5
Crystal System: Monoclinic
Further information available on our Linarite Information Page.