Materials & Techniques
Pietre Dure (process)
Pietre Dure is a process of creating works in which pieces of hard, polished stone of varying shapes are set into marble or another hard surface to form a pattern. It differs from "mosaic" in that the pieces are not of uniform size.
Getty Vocabulary, AAT (pietre dure (process): AAT: 300053615
Watch a video from LACMA that details the making of a pietre dure panel.