Cobalt Blue: from 'fake silver' to colourful pigment
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COBALT BLUE
Cobalt Blue: from 'fake silver' to colourful pigment
Cobalt Blue: from 'fake silver' to colourful pigment
COBALT BLUE
Cobalt blue - Wikipedia
has a spinel structure and belongs chemically to the mixed oxide pigments. The basic formula is Co(Al,Cr)2O4.
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por adulto (o preço varia de acordo com o tamanho do grupo)
