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Botryogen

Type Locality
Falun mine, Falun, Dalarna, Sweden
Mineral Data
MgFe3+(SO4)2(OH)·7H2O
Strunz: 
7.DC.25
Physical Properties
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Tenacity: 
brittle
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