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Stilpnomelane

Type Locality
Melchior and Tobias adits, Horní Údolí (Obergrund), Zlaté Hory (Zuckmantel), Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
Mineral Data
(K,Ca,Na)(Fe2+,Mg,Al,Fe3+)8(Si,Al)12(O,OH)36·nH2O
Strunz: 
9.EG.40
Physical Properties
Hardness: 
3.0 - 4.0
Synonyms
Synonyms: 
Stilpnomelan