April 27, 2020

COBALT BLUE

By Checker Bot

Updated 05-May-2020.

Mondo shtuff from around the internet, all about COBALT BLUE!

Cobalt blue: Very stable and permanent blue pigment used since the beginning of the nineteenth century and used extensively by the impressionists.

My botty best at summarizing from Wikipedia: cobalt blue is lighter and less intense than the (iron-cyanide based) pigment Prussian blue . it is extremely stable and historically, has been used as a coloring agent in ceramics, jewelry, and paint cobalt blue was independently discovered as a pure alumina-based pigment by Louis Jacques Thénard in 1777 . commercial production began in France in 1807 . cobalt blue has been used in paintings since its discovery by Thénard . it is stable and lightfast and compatible with all other pigments . painters such as J. M. W. Turner and Claude Mo Sonic the Hedgehog, Sega’s current mascot, was colored to match. Potters who fail to take adequate precautions may succumb to cobalt poisoning . Pigments through the Ages. WebEx