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Ambrinoite
Type Locality
Signols Quarries, Signols, Oulx, Susa Valley, Torino Province, Piedmont, Italy
Mineral Data
[K,(NH
4
)]
2
(As,Sb)
6
(Sb,As)
2
S
13
·H
2
O
Strunz:
2.HE.10
Physical Properties
Streak:
Red
Hardness:
0.0
Tenacity:
brittle
