Cassel brown - Revision history

MDerrick at 20:56, 20 May 2022

2022-05-20T20:56:05Z

← Older revision		Revision as of 16:56, 20 May 2022
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	Cassel earth; Natural Brown 8; CI 77727; pardo Van Dyke (Esp.); brun de Cassel (Fr.); marrone di Cassel (It.); Cassel's earth; Kassel earth; Cologne earth; Vandyke brown; Castle earth; Castile earth; Cullens earth; Colens earth; Collens earth		Cassel earth; Natural Brown 8; CI 77727; pardo Van Dyke (Esp.); brun de Cassel (Fr.); marrone di Cassel (It.); Cassel's earth; Kassel earth; Cologne earth; Vandyke brown; Castle earth; Castile earth; Cullens earth; Colens earth; Collens earth

	== ~~Other~~ Properties ==		==Physical and Chemical Properties==

	Slightly soluble in oil. Discolors in alkalis turning grayish.		* Slightly soluble in oil.
			* Discolors in alkalis turning grayish.

	== Resources and Citations ==		== Resources and Citations ==

MDerrick at 17:37, 6 August 2020

2020-08-06T17:37:28Z

← Older revision		Revision as of 13:37, 6 August 2020
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	== Description ==		== Description ==

	A naturally occurring dark brown earth named for a city in central Germany. Cassel earth, also known as [[ Vandyke brown~~]] and [[Cologne earth~~]], contains organic humus or coal material mixed with iron oxides, alumina, and silica. When ignited, the pigment leaves a soft gray residue. The colorant is fugitive and fades on exposure to strong light.		A naturally occurring dark brown earth named for a city in central Germany. Cassel earth, also known as [[Vandyke brown]], contains organic humus or coal material mixed with iron oxides, alumina, and silica. When ignited, the pigment leaves a soft gray residue. The colorant is fugitive and fades on exposure to strong light.

	== Synonyms and Related Terms ==		== Synonyms and Related Terms ==
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	Slightly soluble in oil. Discolors in alkalis turning grayish.		Slightly soluble in oil. Discolors in alkalis turning grayish.

	== ~~Additional Information~~ ==		== Resources and Citations ==

	Georgiana Languri, Molecular studies of Asphalt, Mummy and Kassel earth pigments, MOLART report 2004, available through Archetype Publications, London.		* Georgiana Languri, Molecular studies of Asphalt, Mummy and Kassel earth pigments, MOLART report 2004, available through Archetype Publications, London.

	~~== Sources Checked for Data in Record ==~~

	* Helmut Schweppe, Schweppe color collection index and information book		* Helmut Schweppe, Schweppe color collection index and information book

Jruggiero: Text replace - "== Authority ==" to "== Sources Checked for Data in Record =="

2016-04-29T19:38:45Z

Text replace - "== Authority ==" to "== Sources Checked for Data in Record =="

← Older revision		Revision as of 15:38, 29 April 2016
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	Georgiana Languri, Molecular studies of Asphalt, Mummy and Kassel earth pigments, MOLART report 2004, available through Archetype Publications, London.		Georgiana Languri, Molecular studies of Asphalt, Mummy and Kassel earth pigments, MOLART report 2004, available through Archetype Publications, London.

	== ~~Authority~~ ==		== Sources Checked for Data in Record ==

	* Helmut Schweppe, Schweppe color collection index and information book		* Helmut Schweppe, Schweppe color collection index and information book

GEthier: /* Description */

2014-01-12T20:35:21Z

Description

← Older revision		Revision as of 16:35, 12 January 2014
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	== Description ==		== Description ==

	A naturally occurring dark brown earth named for a city in central Germany. Cassel earth, also known as [~~http://cameo.mfa.org/materials/fullrecord.asp?name=Vandyke%20brown~~ Vandyke brown] and [~~http://cameo.mfa.org/materials/fullrecord.asp?name=Cologne%20earth~~ Cologne earth], contains organic humus or coal material mixed with iron oxides, alumina, and silica. When ignited, the pigment leaves a soft gray residue. The colorant is fugitive and fades on exposure to strong light.		A naturally occurring dark brown earth named for a city in central Germany. Cassel earth, also known as [[ Vandyke brown]] and [[Cologne earth]], contains organic humus or coal material mixed with iron oxides, alumina, and silica. When ignited, the pigment leaves a soft gray residue. The colorant is fugitive and fades on exposure to strong light.

	== Synonyms and Related Terms ==		== Synonyms and Related Terms ==

Unknown user at 12:49, 24 July 2013

2013-07-24T12:49:43Z

← Older revision		Revision as of 08:49, 24 July 2013
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	== Description ==		== Description ==

	A naturally occurring dark brown earth named for a city in central Germany. Cassel earth, also known as [http://cameo.mfa.org/materials/fullrecord.asp?name=Vandyke ~~brown~~ Vandyke brown] and [http://cameo.mfa.org/materials/fullrecord.asp?name=Cologne ~~earth~~ Cologne earth], contains organic humus or coal material mixed with iron oxides, alumina, and silica. When ignited, the pigment leaves a soft gray residue. The colorant is fugitive and fades on exposure to strong light.		A naturally occurring dark brown earth named for a city in central Germany. Cassel earth, also known as [http://cameo.mfa.org/materials/fullrecord.asp?name=Vandyke%20brown Vandyke brown] and [http://cameo.mfa.org/materials/fullrecord.asp?name=Cologne%20earth Cologne earth], contains organic humus or coal material mixed with iron oxides, alumina, and silica. When ignited, the pigment leaves a soft gray residue. The colorant is fugitive and fades on exposure to strong light.

	== Synonyms and Related Terms ==		== Synonyms and Related Terms ==
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	== Authority ==		== Authority ==

	* ~~Helmut Schweppe,~~ Helmut Schweppe, Schweppe color collection index and information book		* Helmut Schweppe, Schweppe color collection index and information book

	* ~~M. Doerner,~~ M. Doerner, ''The Materials of the Artist'', Harcourt, Brace & Co., 1934		* M. Doerner, ''The Materials of the Artist'', Harcourt, Brace & Co., 1934

	* ~~G.S.Brady,~~ G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 558		* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 558

	* ~~Ralph Mayer,~~ Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)		* Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)

	* Colour Index International online at www.colour-index.org		* Colour Index International online at www.colour-index.org

Unknown user at 18:26, 27 April 2013

2013-04-27T18:26:06Z

New page

== Description ==

A naturally occurring dark brown earth named for a city in central Germany. Cassel earth, also known as [http://cameo.mfa.org/materials/fullrecord.asp?name=Vandyke brown Vandyke brown] and [http://cameo.mfa.org/materials/fullrecord.asp?name=Cologne earth Cologne earth], contains organic humus or coal material mixed with iron oxides, alumina, and silica. When ignited, the pigment leaves a soft gray residue. The colorant is fugitive and fades on exposure to strong light.

== Synonyms and Related Terms ==

Cassel earth; Natural Brown 8; CI 77727; pardo Van Dyke (Esp.); brun de Cassel (Fr.); marrone di Cassel (It.); Cassel's earth; Kassel earth; Cologne earth; Vandyke brown; Castle earth; Castile earth; Cullens earth; Colens earth; Collens earth

== Other Properties ==

Slightly soluble in oil. Discolors in alkalis turning grayish.

== Additional Information ==

Georgiana Languri, Molecular studies of Asphalt, Mummy and Kassel earth pigments, MOLART report 2004, available through Archetype Publications, London.

== Authority ==

* Helmut Schweppe, Helmut Schweppe, Schweppe color collection index and information book

* M. Doerner, M. Doerner, ''The Materials of the Artist'', Harcourt, Brace & Co., 1934

* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 558

* Ralph Mayer, Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)

* Colour Index International online at www.colour-index.org

[[Category:Materials database]]