Editing Ultramarine (section)

=== 17th and 18th centuries ===
<gallery mode="packed" heights="300px">
File:Sassoferrato_-_Jungfrun_i_bön.jpg|[[Giovanni Battista Salvi da Sassoferrato|Sassoferrato]]'s depiction of the [[Blessed Virgin Mary]], ''[[The Virgin in Prayer]]'', c. 1654. Her blue cloak is painted in ultramarine.<ref>{{cite web |title=assoferrato-the-virgin-in-prayer |url=http://www.nationalgallery.org.uk/paintings/sassoferrato-the-virgin-in-prayer |access-date=December 6, 2014 |publisher=www.nationalgallery.org.uk}}</ref>
File:Johannes_Vermeer_-_Girl_with_a_Pearl_Earring_-_WGA24666.jpg|''[[Girl with a Pearl Earring]]'', by [[Johannes Vermeer]] (c. 1665)
File:Johannes_Vermeer_-_Lady_Standing_at_a_Virginal.jpg|''[[Lady Standing at a Virginal]]'', by [[Johannes Vermeer]] (c. 1675)
</gallery>[[Johannes Vermeer]] made extensive use of ultramarine in his paintings. The turban of the ''[[Girl with a Pearl Earring]]'' is painted with a mixture of ultramarine and lead white, with a thin glaze of pure ultramarine over it.<ref>{{Cite web|url=http://www.girl-with-a-pearl-earring.info/palette.htm|title=Description of the painting at www.girl-with-a-pear-earring.info/pallette.htm}}</ref> In ''Lady Standing at a Virginal'', the young woman's dress is painted with a mixture of ultramarine and green earth, and ultramarine was used to add shadows in the flesh tones.<ref>{{Cite web |title=National Gallery of London discussion of Vermeer's palette |url=https://www.nationalgallery.org.uk/research/about-research/the-meaning-of-making/vermeer-and-technique/vermeers-palette |accessdate=Dec 13, 2022}}</ref> Scientific analysis by the [[National Gallery]] in London of ''[[Lady Standing at a Virginal]]'' showed that the ultramarine in the blue seat cushion in the foreground had degraded and become paler with time; it would have been a deeper blue when originally painted.<ref>{{Cite web |title=National Gallery essay on the altered appearance of ultramarine in the paintings of Vermeer |url=https://www.nationalgallery.org.uk/research/about-research/the-meaning-of-making/vermeer-and-technique/altered-appearance-of-ultramarine |accessdate=Dec 13, 2022}}</ref>