Editing Walnut ink

{{Short description|Type of Ink}}
[[File:Nuss mit Schale.jpg|thumb|Cross-section of the husk from which walnut ink is made]]
[[File:Walnut ink and water on paper.jpg|thumb|Wash with walnut ink before drying|left]]
'''Walnut ink''' is an [[ink]] made from the green husk surrounding the [[nut (fruit)|nut]] of [[walnut]]s. The [[black walnut]] ''Juglans nigra'' is usually used. The ink may be liquid or made of crystals that are mixed with water before use. It can be used to produce stains and darken paper to make it look older.
The ink has good archival properties.<ref>{{cite web|title=Black Walnut Ink Workshop|url=http://www.gnsi.science-art.com/GNSIDC/reports/2002Oct/Oct2002.html |archive-url=https://web.archive.org/web/20200226031916/http://www.gnsi.science-art.com/GNSIDC/reports/2002Oct/Oct2002.html |archive-date=26 February 2020|publisher=Guild of Natural Science Illustrators|access-date=3 July 2014|date=October 2002}}</ref>

An ancient use of walnut ink was to stain the hands of criminals in [[Romani people|Romani]] communities. Once stained, it is impossible to wash off and remains in the skin for a long period of time.<ref>{{cite news|last1=Parker|first1=Dian|title=Chelsea Library Shows Paintings Of an Important New Talent|url=https://www.ourherald.com/articles/chelsea-library-shows-paintings-of-an-important-new-talent/|access-date=19 October 2017|work=The Herald|date=14 June 2012|location=Randolph, Vermont}}</ref>

== References ==
{{Reflist}}

==Further reading==
*{{cite web|last1=de Nevell|first1=Elizabeth|title=Making Walnut Ink|url=http://home.insightbb.com/~denevell_books/making_walnut_ink.htm}}

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[[Category:Inks]]
[[Category:Walnut|Ink]]