Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. colorant (material)
7. pigments
8. [pigment by color]
9. red pigment
10. inorganic red pigment
11. iron oxide red (pigment)

Anotations

Scope note:

A bright, natural red volcanic pigment originally mined at Pozzuoli near Naples, Italy. It was used by the Romans and others as a paint pigment, becoming popular for fresco paintings because it dried quickly to a hard impenetrable surface like cement.