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Evansite

Type Locality
Železník (Vashegy), Sirk, Revúca Co., Banská Bystrica Region, Slovakia
Mineral Data
Al3(PO4)(OH)6·6H2O
Strunz: 
8.DF.10
Physical Properties
Hardness: 
3.5 - 4.0
Tenacity: 
very brittle