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 color or pattern]

Narrower term/s

• Tabriz marble

Anotations

Scope note:

A compact variety of calcite that has dark layers of impurities and polishes to a high gloss, resembling onyx in appearance. It is typically used as a decorative or architectural material or for small ornamental objects.