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Zaffre (also spelt Zaffer in American English, see spelling differences), a prescientific, or alchemical substance, is a deep blue pigment obtained by roasting cobalt ore, and is made of either an impure form of cobalt oxide^[1] or impure cobalt arsenate. During the Victorian Era, zaffre was used to prepare smalt and to stain glass blue.^[2]

The first recorded use of zaffer as a color name in English was sometime in the 1550s (exact year uncertain).^[3]

See also

List of colors

References

^ “ClayArt”. Archived from the original on 3 March 2016. Retrieved 24 August 2006.
^ Mackenzie’s Five Thousand Receipts in All the Useful and Domestic Arts , 1845, “Pottery: Black glazing p 369.
^ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 207; Color Sample of Zaffer: Page 109 Plate 43 Color Sample D11

Alice blue	Aqua	Argentinian blue	Azure	Baby blue	Berkeley blue	Bice	Bleu de France	Blue (Munsell)	Blue (NCS)

Blue (Pantone)	Blue-gray	Blue-green	Blue-violet	Bondi blue	Brandeis blue	Byzantine blue	Cambridge Blue	Capri	Carolina blue

Celestial blue	Celtic blue	Cerulean	Cobalt blue	Columbia blue	Cornflower blue	Cyan	Dark blue	Deep sky blue	Delft blue

Dodger blue	Duke blue	Egyptian blue	Electric blue	Electric indigo	Eton blue	French blue	Glaucous	Haint blue	Honolulu blue

Horizon blue	Indigo	Indigo dye	International Klein Blue	Iris	Jordy blue	Lapis lazuli	Lavender	Lavender gray	Lavender mist

Light blue	Light sky blue	Majorelle Blue	Marian blue	Maya blue	Medium blue	Midnight blue	Moroccan blue	Navy blue	Neon blue

Non-photo blue	Oxford Blue	Palatinate blue	Pale azure	Penn Blue	Periwinkle	Persian blue	Persian indigo	Phthalo blue	Picton blue

Pigment blue	Polynesian blue	Powder blue	Process blue	Prussian blue	RAF blue	Resolution blue	RISD Blue	Royal blue	Ruddy blue

Sapphire	Savoy blue	Silver Lake blue	Sky blue	Smalt	Space cadet	Steel blue	Tang blue	Teal	Turquoise

USAF blue	Ultramarine	United Nations Blue	U of T Blue	Uranian blue	Vista blue	Yale Blue	YInMn Blue	Zaffre

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