extender pigment

Discover the benefits of using extender pigments in oil paint and learn effective techniques for incorporating them into your artwork. Explore how these additives can modify texture, adjust drying time, control transparency, and manipulate opacity. Unlock the full potential of extender pigments in oil painting...

Calcite is a naturally occurring calcium carbonate mineral in rocks such as chalk, limestone, and marble. These rocks are the primary sources of the extender pigment. Its whiteness, softness, and fine-grained nature make it an ideal white pigment, both abundant and easily processed. Chalk is relatively transparent in most paint media and is often used as an extender of other pigments and employed with animal glue as a ground for painting...