Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by form]
6. [materials by chemical form]
7. compounds (materials)

Anotations

Scope note:

Material having the formula Co3(AsO4)2, used as a colorant in paints, glass, glazes, and enamels. It occurs in nature as cobalt bloom or erythrite; it was synthetically produced in 1880. It is highly toxic by ingestion, inhalation, and skin contact.