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He concept from ocher It has several meanings. Its immediate etymological antecedent is the Latin word ochra, derived from the Greek ṓchra, which in turn comes from ōchrós (translatable term as "yellow" ).

In the field of geology , the ocher is called earthy mineral of yellow hue . The notion usually refers specifically to the mineral of hydrated iron oxide , which usually appears mixed with clay.

The ocher can be found in the ground or even in groundwater. They have good resistance to moisture and light and are characterized by their stability, properties that make them usually used as pigments .

It is common for ocher to be obtained through the mining in the open. When the mineral is already available, I will wash and then I know grinds . The resulting powder is used as a pigment since prehistory, both for the development of artistic paintings and for body painting.

To alter the appearance of the ocher it is possible to mix the material with other pigments It can also be toast .

Ocher, on the other hand, is the name that the dark yellow tones . It can be a brownish yellow or a yellowish orange, among other varieties of the spectrum .

In Italy finally there is a village in the province of L'Aquila that bears the name of Ocher . In this small town in the region of Abruzzo About 1,000 people live. One of his most important constructions is the Castello di Ocre , a fortification built in the Middle Ages which is currently in ruins.

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