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 composition or origin]
9. inorganic pigment
10. natural inorganic pigment
11. mineral pigment

Additional parents:

1. top of the aat hierarchies
2. Materials Facet
3. Materials
4. materials
5. materials by function
6. colorant
7. pigments
8. pigment by color
9. blue pigment
10. inorganic blue pigment

Anotations

Scope note:

Pigment composed largely of the mineral aerinite, a light blue clay mineral. An example of usage as a pigment is in Romanesque mural paintings of southwestern France. It is resistant to chemicals, heat, and light although it changes to a green-blue shade when heated.