Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. mineral

Anotations

Scope note:

A copper antinomy sulfide mineral found in hydrothermal veins and contact metamorphic sites, usually containing some arsenic and grading into closely related mineral tennantite, in which arsenic takes the place of antinomy. It is a minor ore of copper.