Tennantite Subgroup

The tennantite subgroup includes:

tennantite-(Cd): Cu₆(Cu₄Cd₂)As₄S₁₃
tennantite-(Cu): Cu₆(Cu₄Cu₂)As₄S₁₃
tennantite-(Fe): Cu₆(Cu₄Fe₂)As₄S₁₃
tennantite-(Hg): Cu₆(Cu₄Hg₂)As₄S₁₃
Tennantite-(Mn): Cu₆(Cu₄Mn₂)As₄S₁₃
tennantite-(Ni): Cu₆(Cu₄Ni₂)As₄S₁₃
tennantite-(Zn): Cu₆(Cu₄Zn₂)As₄S₁₃

The tennantite subgroup is a member of the tetrahedrite group.

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