Pigment is any color preparation used by painters, printing pressmen, etc. Coloring matter is found in pigment cells of plants, tissues of animals and fish; in mineral form found in the earth, from coal, vegetables, etc.

Pigments may be divided into two classes, the organic and the inorganic. Organic pigments are compounds of carbon and the inorganic all other pigments.

Paints and printers’ inks are made from the same pigments; the difference is in the mordant. It all depends on the nature of the object to be colored. The mordant is the fixer which holds the pigment.

The selection of color material should be carefully made. Purchase from reliable dealers an assortment of reds, blues and yellows, some black and white.