mineral dye

mineral dye

[′min·rəl ‚dī]
(materials)
A natural dyestuff made from minerals; examples are ochre, chrome yellow, and Prussian blue.
References in periodicals archive ?
Dust / peat and mineral dyes must be kept separate from each other in the drip area.
The Chinese heated this to thicken it and then added vegetable and mineral dyes to obtain different colours - the main one being red from a form of mercury sulphide known as cinnabar.
The causes, diagnostic techniques, and treatments of illness, as well as human anatomy, are represented in nearly 8,000 extraordinarily detailed images painted on canvas using vegetable and mineral dyes.
Genuine thangkas employ only vegetable or mineral dyes, and each colour has its own significance; white stands for peace, gold represents enlightenment and red signifies passion.
Their carpets are coloured with natural vegetable and mineral dyes, such as indigo, madder roots, berries, walnut shells.