Answer:
The furniture term Pietra Dura refers to a technique in which intricately designed patterns are created using various colored stones, such as marbles, jaspers, and quartz. These stones are cut and shaped precisely to fit together, forming a mosaic-like design. The design is then set into a piece of furniture, often a tabletop, using a combination of adhesive and sometimes grouting. Pietra Dura is commonly used in creating decorative surfaces for furniture, adding a luxurious and artistic touch to the piece. Hard composition of fragments of marble and other fine stones.