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Niedermayrite

Type Locality
Esperanza Mine, Lavrion (Laurion; Laurium), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece
Mineral Data
CdCu4(SO4)2(OH)6·4H2O
Strunz: 
7.DD.30
Physical Properties
Crystal System: 
Monoclinic
Streak: 
White
Hardness: 
0.0
Tenacity: 
brittle
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