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Posnjakite
Type Locality
Nura-Taldy W deposit, Karagandy Province (Qaragandy Oblysy; Karaganda Oblast'), Kazakhstan
Mineral Data
Cu
4
(SO
4
)(OH)
6
·H
2
O
Strunz:
7.DD.10
Physical Properties
Crystal System:
Monoclinic
Hardness:
2.0 - 3.0
