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Devilline

Type Locality
Cornwall, England, UK
Mineral Data
CaCu4(SO4)2(OH)6·3H2O
Strunz: 
7.DD.30
Physical Properties
Crystal System: 
Monoclinic
Hardness: 
2.5
Tenacity: 
brittle
Synonyms
Synonyms: 
Devillite