1) Chromium compound 2) Inorganic pigment
Found on
https://www.crosswordclues.com/clue/viridian
The first recorded use of viridian as a color name in English was in the 1860s (exact year uncertain). ==Variations of viridian== ===Paolo Veronese green=== Paolo Veronese green is the color that is called Verde Verones in the Guía de coloraciones (Guide to colorations) by Rosa Gallego and Juan Carlos Sanz, a color dictionary published in 2005 th...
Found on
http://en.wikipedia.org/wiki/Viridian
chrome green
Found on
http://phrontistery.info/v.html
Viridian or Guignet's Green is a hydrated chromic oxide obtained by decomposing borate of chromium with water. It is a permanent and rich coloured pigment of a fine brilliant green colour with an almost metallic lustre which is permanent to light, stable and inert. Viridian is used as an artists' colour and also mixed with zinc chrome to produce 'p...
Found on
http://www.probertencyclopaedia.com/browse/GV.HTM
Casali's green, Mittler's green, Cuignet green) Hydrated chromium hydroxide. It was first made in Paris in 1838 by Pannetier and Binet by a secret process. In 1859 the method was published by Cuignet and the colours made available to artists. It was introduced to England in 1862 by Winsor and Newton.
Found on
http://www.visual-arts-cork.com/colour-art-glossary.htm
No exact match found.
