Editing Sienna (section)

===Burnt sienna===
{{infobox color
|title=Terra di Siena bruciata, or burnt sienna (Italian)
|hex=623034
|spelling=colour
|source=[[Ferrario 1919: Cartella colori]],<ref name="ferrario"/> colour 77
|isccname=Deep reddish brown}}

'''Burnt sienna''' contains a large proportion of anhydrous iron oxide. It is made by heating raw sienna, which dehydrates the iron oxide, changing it partially to hematite, giving it rich reddish-brown color.<ref name="Shorter OED"/>

The pigment is also known as red earth, red ochre, and terra rossa. On the [[Colour Index International|Color Index International]], the pigment is known as PR-102.

This version is from the Italian Ferrario 1919 color list.

The first recorded use of ''burnt sienna'' as a color name in English was in 1853.<ref name="Maerz-1939">Maerz and Paul ''A Dictionary of Color'' 1930 New York: McGraw-Hill p. 204; Color Sample of Sienna: p. 33 Plate 5 Color Sample F12</ref>

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====Burnt sienna pigment (Maerz and Paul)====
{{infobox color
| title     = Burnt sienna (Maerz and Paul)
| hex       = E97451
| spelling  = colour
| source    = Maerz and Paul<ref name="Maerz-1939"/>
| isccname  = Strong reddish orange}}
This variation of burnt sienna is from the Maerz and Paul "A Dictionary of Color" from 1930. It is considerably lighter than most other versions of burnt sienna. It was a mix of [[burnt orange]] and raw sienna.
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