Construction. Insulation. Coating.
Very variable, depends on the constitution of the clay deposit used. Once cooked it can be white, ocher, brown, brown, red...
Ceramics. Terracotta. Porcelain.
Brick. Brick of raw earth. Mono-brick and brick in "S" insulation. Tiles and tiling. Chimney pipes. Buildings in raw mud earth. Roof tiles.
There are different qualities of clay for different uses. Extremely malleable diluted with water, the clay is shaped and then fired at high temperature to take its final form where it becomes totally impermeable and insoluble.
Uses for the house:
Construction of walls, walls, terraces. Roof covering. Insulation.
Decorative coverings of terracotta surfaces with tiles and earthenware.
Excellent behavior in time.
Clay deposits are not renewable (but are still present in large quantities).