sperone

  1. Home
  2. top of the aat hierarchies
  3. Materials Facet
  4. Materials (hierarchy name)
  5. materials (substances)
  6. [materials by composition]
  7. inorganic material
  8. rock (inorganic material)
  9. igneous rock
  10. [igneous rock by origin]
  11. extrusive rock
  12. pyroclastic rock
  13. tuff
  14. peperino
  15. sperone
Scope note
A type of peperino that is particularly hard and durable; quarried near Castiglione, Italy.
sperone
Accepted term: 29-Apr-2024