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Ochre (/ ˈ oʊ k ər / OH-kər; from Ancient Greek ὤχρα (ṓkhra), from ὠχρός (ōkhrós) 'pale'), iron ochre, or ocher in American English, is a natural clay earth pigment, a mixture of ferric oxide and varying amounts of clay and sand.
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ochre, a native earth coloured with hydrated iron oxide. It varies in colour from pale yellow to deep red, brown, and violet. There are two kinds: one has a clayey basis, while the other is a chalky earth. The former variety is in general the richer and purer in colour of the two.
3 juil. 2019 · Ochre (rarely spelled ocher and often referred to as yellow ochre) is one of a variety of forms of iron oxide which are described as earth-based pigments. These pigments, used by ancient and modern artists, are made of iron oxyhydroxide, which is to say they are natural minerals and compounds composed of varying proportions of iron ...
19 févr. 2023 · Discover the fascinating world of Yellow Ochre. Discover its historical significance, unique properties, and versatile applications in art. Ideal for artists and art enthusiasts.
20 nov. 2018 · Ochre, one of the world's oldest pigments, helped prehistoric people paint ancient cave art.
Ochre is an invaluable material for Aboriginal artists in creating lively and colorful paintings. This hard clay is widely found in Western Australia’s Kimberley region and the Northern Territory’s Alice Springs and comes in various shades such as red, pink, yellow, white, and even blue.
Ochre is the earliest known pigment used by humans to paint our world--perhaps as long ago as 300,000 years. Other documented or implied uses are as medicines, as a preservative agent for animal hide preparation, and as a loading agent for adhesives (called mastics).
Ochre: an ancient pigment. The word ochre is derived from the Greek ‘Ochros’, which means ‘yellowish’. The natural pigment is seen everywhere in the world where there is relatively large amounts of iron in the ground. The iron oxidizes and gives the earth the characteristic rust colours.
