Cobalt Reds





There are obtainable from cobalt by different processes rose and red

colours of more or less beauty and intensity, but all vastly inferior to

those of madder, in whose absence alone they could gain a place on the

palette. Durable as a rule, they are in general characterized by a fatal

chalkiness, and poorness of hue. More expensive than the madder colours,

and without their purity, delicacy, depth, or transparency, cobalt reds

have often been offered as pigments, and as often declined. A colour may

be good in itself, but if there is something better and at the same time

cheaper, its introduction into commerce is out of the question.





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