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. black pigment

Anotations

Scope note:

Non-standardized term used for black pigments with a bluish cast, particularly in the 17th and 18th centuries; many pigments were called "blue black," including ivory black, bone black, vine black, and others.