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Arseniopleite
Type Locality
Sjögruvan, Grythyttan, Hällefors, Västmanland, Sweden
Mineral Data
NaCaMn
2+
(Mn
2+
,Mg)
2
(AsO
4
)
3
Strunz:
8.AC.10
Physical Properties
Crystal System:
Monoclinic
Hardness:
3.5
Tenacity:
brittle
