How can marble dust powder be effectively used in art projects to enhance texture and create unique visual effects?

Marble dust powder can be mixed with various mediums like paint or glue to create textured surfaces in art projects. By adding the powder to the medium, artists can achieve a gritty texture that adds depth and dimension to their work. Additionally, marble dust powder can be used to create unique visual effects by sprinkling it onto wet paint or glue to create a speckled or grainy appearance. Experimenting with different techniques and applications can help artists achieve the desired texture and visual effects in their art projects.