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Geigerite
Type Locality
Falotta, Tinizong (Tinzen), Oberhalbstein (Surses; Sursass), Albula Valley, Grischun (Grisons; Graubünden), Switzerland
Mineral Data
Mn
2+
5
(AsO
4
)
2
(HAsO
4
)
2
·10H
2
O
Strunz:
8.CE.05
Physical Properties
Hardness:
3.0
