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. rock (inorganic material)
8. metamorphic rock
9. marble (rock)
10. [marble by form or function]
11. breccia marble

Anotations

Scope note:

A breccia marble that is typically grayish violet with striking bright red or golden yellow streaks as well as oblong white, yellow, or red fragments. It originates from the island of Scyrus and is named for Septimius Bassus, who in antiquity had a villa sumptuously decorated with it on the Via Tusculana in Rome.