Pigments

Pigments

Of or pertaining to material that changes the color of reflected light by absorbing selected wavelengths.

Contributors in Pigments

Pigments

Aureolin (sometimes called Cobalt Yellow) is a pigment used in oil and watercolor painting. Its color index name is PY40 (40th entry on list of yellow pigments). It was first made in 1848 by N. W. ...

azurite

Organic chemicals; Pigments

Azurite is a soft, deep blue copper mineral produced by weathering of copper ore deposits. Azurite was used as a blue pigment for centuries. Depending on the degree of fineness to which it was ...

malachite

Organic chemicals; Pigments

Malachite is a copper carbonate mineral, with the formula Cu2CO3(OH)2. The pigment is moderately lightfast, very sensitive to acids and varying in color. The natural form was being replaced by its ...

sanguine

Organic chemicals; Pigments

Sanguine or red chalk is chalk of a reddish-brown colour, so called because it resembles the colour of dried blood. It has been popular for centuries for drawing (where white chalk only works on ...

chrome yellow

Organic chemicals; Pigments

Chrome Yellow is a natural yellow pigment made of lead(II) chromate (PbCrO4). It was first extracted from the mineral crocoite by the French chemist Louis Vauquelin in 1809. Because the pigment tends ...

chrome green

Organic chemicals; Pigments

Chromium(III) oxide is the inorganic compound of the formula Cr2O3. It is one of principal oxides of chromium and is used as a pigment. In nature, it occurs as the rare mineral eskolaite. Because of ...