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Taramellite

Type Locality
Candoglia quarries, Candoglia, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
Mineral Data
Ba4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx
Strunz: 
9.CE.20
Physical Properties
Colour: 
Red-brown
Hardness: 
5.5