Entity: ZAFFRE-BLUE
Zaffre-blue is a deep blue pigment obtained by roasting cobalt ore, made of either an impure form of cobalt oxide or impure cobalt arsenate.
Zaffre-Blue
Etymology
The term 'Zaffre' originates from a prescientific or alchemical substance, denoting a deep blue pigment obtained by roasting cobalt ore.
Definition
Zaffre-blue is a deep blue pigment derived from cobalt ore through a roasting process, composed of either an impure form of cobalt oxide or impure cobalt arsenate.
Historical Context
Zaffre-blue has been historically used as a pigment in various applications, such as glassmaking and ceramic glazes, due to its vibrant blue color.
Cultural Significance
The use of zaffre-blue in art and craftsmanship has contributed to its cultural significance as a symbol of richness and depth in color palettes.
Related Concepts
Zaffre-blue is related to other blue pigments like smalt, containing cobalt oxide and silica, used for producing blue colors in glass and ceramics.
See Also
Zaffre-blue refers to a deep blue pigment derived from cobalt ore through a roasting process, composed of impure cobalt oxide or cobalt arsenate.