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Retgersite
Type Locality
Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru
Mineral Data
NiSO
4
·6H
2
O
Strunz:
7.CB.30
Physical Properties
Crystal System:
Tetragonal
Hardness:
2.5
Tenacity:
brittle
