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Tennantite-(Cu)
Year of discovery:
Locality list:
Cu
12
As
4
S
13
(Cu,Ag,Fe,Zn)
12
As
4
S
13
[Cu
+
6
][Cu
+
4
][Cu
2+
2
][As
3+
4
][S
12
|S]
26-
Class:
Tennantite series
<
Tetrahedrite group
< Cu sulfosalts <
Sulfosalt class
Class:
Sulfosalt
Cu => Fe:
Tennantite-(Fe)
Cu => Zn:
Tennantite-(Zn)
Luster: Metallic
Diaphaneity: Opaque
System: Cubic
Group: (-4)3m, I(-4)3m