Style of inlay employing bone or ivory on a dark wood ground. Small geometric patterns like stars, triangles, crescents. Certosina is a furniture term that refers to a specific type of decorative technique. It involves inlay work or marquetry, where intricate patterns or designs are created by embedding pieces of contrasting or colored materials into the surface of the furniture. The materials used can include various types of wood, marble, ivory, or other decorative elements. Certosina is often associated with Italian Renaissance furniture, particularly from the 16th and 17th centuries.