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Umber

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Umber



 
 
Umber is a natural brown clay
Clay

Clay is a naturally occurring material composed primarily of fine-grained minerals, which show plasticity through a variable range of water content, and which can be hardened when dried and/or fired....
 pigment
Pigment

A pigment is a material that changes the color of light it Reflection as the result of selective color absorption. This physical process differs from fluorescence, phosphorescence, and other forms of luminescence, in which the material itself emits light....
 which contains iron
Iron

Iron is a chemical element with the symbol Fe and atomic number 26. Iron is a Group 8 element and period 4 element. Iron is lustrous and silvery in color....
 and manganese
Manganese

Manganese is a chemical element, designated by the symbol Mn. It has the atomic number 25. It is found as a Oxidation state in nature , and in many minerals....
 oxide
Oxide

An oxide is a chemical compound contaning at least one oxygen atom as well as at least one other element. Most of the Earth's crust consists of oxides....
s. The colour becomes more intense when calcined (heated), and the resulting pigment is called burnt umber
Burnt umber

Burnt umber is both a pigment and a colour. The dark brown pigment is made by heating umber, a clay containing oxides of iron and manganese, and is used for oil and water colour paint....
. Its name derives from the Latin word umbra (shadow) and was originally extracted in Umbria
Umbria

Umbria is a Regions of Italy of central Italy. Its capital is Perugia. It has an area of 8,456 km? and about 900,000 inhabitants....
, a mountainous region of central Italy
Italy

Italy , officially the Italian Republic , is a country located on the Italian Peninsula in Southern Europe and on the two largest islands in the Mediterranean Sea, Sicily and Sardinia....
, but it is found in many parts of the world.






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Pigment Umber Raw Iconofile
Umber is a natural brown clay
Clay

Clay is a naturally occurring material composed primarily of fine-grained minerals, which show plasticity through a variable range of water content, and which can be hardened when dried and/or fired....
 pigment
Pigment

A pigment is a material that changes the color of light it Reflection as the result of selective color absorption. This physical process differs from fluorescence, phosphorescence, and other forms of luminescence, in which the material itself emits light....
 which contains iron
Iron

Iron is a chemical element with the symbol Fe and atomic number 26. Iron is a Group 8 element and period 4 element. Iron is lustrous and silvery in color....
 and manganese
Manganese

Manganese is a chemical element, designated by the symbol Mn. It has the atomic number 25. It is found as a Oxidation state in nature , and in many minerals....
 oxide
Oxide

An oxide is a chemical compound contaning at least one oxygen atom as well as at least one other element. Most of the Earth's crust consists of oxides....
s. The colour becomes more intense when calcined (heated), and the resulting pigment is called burnt umber
Burnt umber

Burnt umber is both a pigment and a colour. The dark brown pigment is made by heating umber, a clay containing oxides of iron and manganese, and is used for oil and water colour paint....
. Its name derives from the Latin word umbra (shadow) and was originally extracted in Umbria
Umbria

Umbria is a Regions of Italy of central Italy. Its capital is Perugia. It has an area of 8,456 km? and about 900,000 inhabitants....
, a mountainous region of central Italy
Italy

Italy , officially the Italian Republic , is a country located on the Italian Peninsula in Southern Europe and on the two largest islands in the Mediterranean Sea, Sicily and Sardinia....
, but it is found in many parts of the world. Some of the finest umber comes from Cyprus
Cyprus

Cyprus , officially the Republic of Cyprus , is an island country situated in the eastern Mediterranean Sea, east of Greece, west of Lebanon, Syria, and Israel, south of Turkey and north of Egypt....
. It has been used as a pigment since prehistoric times.

Chemical formula: + + + Si +

See also

  • Burnt umber
    Burnt umber

    Burnt umber is both a pigment and a colour. The dark brown pigment is made by heating umber, a clay containing oxides of iron and manganese, and is used for oil and water colour paint....
  • Clay earth pigment
    Clay earth pigment

    Clay earth pigments are naturally occurring minerals, principally iron oxides, that have been used since prehistoric times as pigments. The primary types are...
  • Ochre
    Ochre

    Ochre or Ocher is a color, usually described as Gold -yellow or light yellow brown....
  • Sienna
    Sienna

    Sienna is a form of limonite clay most famous in the production of oil paint pigments. Its yellow-brown colour comes from ferric oxides contained within....


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