Ground chalk, often called whiting, has a long decorative history. It was used in traditional grounds and glue-bound coatings such as soft distemper. Its role shows that not every important paint mineral is a strong colouring pigment.
Calcium carbonate can contribute body and influence properties such as texture and sheen, depending on grade and formulation. It is not a direct substitute for the hiding power of in every binder.
A chalky-looking finish is an appearance, not a recipe. Our Dead Matt is durable and scrubbable with a soft, chalky look; it should not be confused with powdery traditional coatings or described as chalk paint.
These articles explain pigment and mineral families, not the sourcing or complete formulation of any Cameron Colours paint. Historical names can cover different materials. Follow the product guidance and safety data for the paint you use; do not handle or heat raw pigment powders at home.
