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Formula: Cu6(Cu4Fe2)Sb4S13
Valence: Cu1+6(Cu1+4Fe2+2)Sb3+4S2-13
Sulphosalts, sulphantimonites,
tetrahedrite subgroup,
tetrahedrite group
Crystal System: Isometric
Environments
Localities
The type locality is the Frigido Mine, Massa, Massa-Carrara Province, Tuscany, Italy.
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