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:

An uncommon copper phosphate mineral found in the oxidized zones of copper deposits in Chile and as a rare mineral in caves. It is also found as a corrosion product on ancient copper alloy objects from Memphis, Egypt.