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Cetineite
Type Locality
Le Cetine di Cotorniano Mine (Le Cetine Mine; Cetine Mine; Rosia), Chiusdino, Siena Province, Tuscany, Italy
Mineral Data
(K,Na)
6
Sb
3+
12
(Sb
3+
S
3
)
2
O
18
(OH)
0.5
·5,5H
2
O
Strunz:
2.MA.05
Physical Properties
Crystal System:
Hexagonal
Streak:
Orange
Hardness:
3.5
Tenacity:
sectile
