Yes, Agate Umbra Semiprecious Stone can be used in wall coverings. Agate is a versatile material that is often cut and polished into thin slabs or tiles, making it suitable for various applications such as countertops, backsplashes, and wall coverings. The unique patterns and colors found in Agate Umbra make it an attractive choice for adding a touch of elegance and natural beauty to interior walls. Whether used as large accent panels or smaller decorative elements, Agate Umbra can create stunning wall coverings that add depth and visual interest to any space.