The website is glossary of art and design.

Natural pigments are a fascinating subject and in this post you will learn the basic types to pigments from organics to minerals. You will also learn the basics of paint making from pigments.

In her new Book of Earth, published by Abrams, Heidi Gustafson takes us on a journey through rare pigments and their landscapes.

As you begin to collect natural earth pigments, you may find it helpful to do a couple of local tests on the rocks you have collected. These tests can help identify the materials you are collecting, as well as build an understanding and a language for the characteristics of natural earth pigments.

Have you ever wondered where crayon and paint names like coal black and titanium white come from? The names connect to the minerals used to make the pigments that give them their color. Find out more about minerals and paint colors...

A short tutorial on how to identify pigment rocks. This is how I decide which ones to use for making my handmade watercolor paints.

Gathering orange ochre, Oregon, USA. Early Futures Ocher Archive [http://earlyfutures.com/] | Photo credit: Heidi Gustafson.