Pastel topic

Pastel is an art medium in the form of a stick, consisting of pure powdered pigment and a binder. The pigments used in pastels are the same as those used to produce all colored art media, including oil paints; the binder is of a neutral hue and low saturation. The noun "pastel" gives rise to: Pastel sticks or crayons consist of pure powdered pigment combined with an inert binder. The exact composition and characteristics of an individual pastel stick depends on the type of pastel and the type... full article at wikipedia