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Hureaulite

Type Locality
Les Hureaux, Saint-Sylvestre, Haute-Vienne, Limousin, France
Mineral Data
(Mn,Fe)5(PO4)2(HPO4)2·4H2O
Strunz: 
8.CB.10
Physical Properties
Hardness: 
5.0
Tenacity: 
brittle