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Franckeite
Type Locality
Chocaya mine, Chocaya-Animas (Animas-Chocaya), Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia
Mineral Data
Fe
2+
(Pb,Sn
2+
)
6
Sn
4+
2
Sb
2
S
14
Strunz:
2.HF.25b
Physical Properties
Hardness:
2.5 - 3.0
Tenacity:
malleable
