Origin of zaffer
Examples from the Web for zaffre
Zaffre is now made from the cobalt ores found in these hills.The Mosaic History of the Creation of the World|Thomas Wood
Zaffre, digested in aqua regia, and diluted with four times its weight of water, is sometimes employed; a green tint results.The Short-story|William Patterson Atkinson
Zaffre is the roasted mineral ground with sand, while smalt, a term used more frequently, is the fused mixture with sand.
A little oxide of cobalt or zaffre is frequently added to alter the shade.
The first practical use of cobalt was in the form of zaffre or cobalt blue.