Prussian blue (Iron blue)
Iron blue or Prussian blue is a very old synthetic pigment, it was invented in 1704, by chance, by Heinrich Diesbach who was active in Berlin which was in then Prussia, therefore the color…
Iron blue or Prussian blue is a very old synthetic pigment, it was invented in 1704, by chance, by Heinrich Diesbach who was active in Berlin which was in then Prussia, therefore the color…