Composition of matter for the production of simulated stone, masonry, and brick textured products. Exemplary embodiments of panels, wall structures, and other products may have contoured and textured surfaces and may simulate the appearances of conventional building or construction materials including, but not limited to, stone, bricks, masonry, concrete, stucco, wood, or other conventional building materials, and combinations of any of these materials are disclosed. The disclosed invention is not limited to products in the building or construction industries and may be applied in the manufacture of a wide variety of products in other industries.