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Picropharmacolite

Type Locality
Ore dumps, Richelsdorf Smelter, Süss, Richelsdorf District, Hesse, Germany
Mineral Data
Ca4Mg(AsO4)2(HAsO4)2·11H2O
Strunz: 
8.CH.15
Physical Properties
Crystal System: 
Monoclinic Needles and encrustations
Streak: 
White
Hardness: 
1.0 - 2.0
Tenacity: 
fragile