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Steverustite
Type Locality
Frongoch Mine (Bron-y-Goch Mine; Llawynwnwch Mine), Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion (Dyfed; Cardiganshire), Wales, UK
Mineral Data
Cu
+
Pb
2+
5
(S
2
O
3
)
3
(OH)
5
·2H
2
O
Strunz:
7.JA.10
Physical Properties
Hardness:
0.0
