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]
11. variegated marble

Anotations

Scope note:

A marble from Portovenere and the island of Palmaria in Liguria, Italy. The best grades are dark black with evenly distributed dull golden veins while the inferior grades are brownish gray with irregular veins and spots of dull yellow.