Whether ultramarine, cerulean, Egyptian or cobalt, blue pigments have colored artworks for centuries. Now, seemingly out of the blue, scientists have discovered a new blue pigment that uses less ...

Whether ultramarine, cerulean, Egyptian or cobalt, blue pigments have colored artworks for centuries. Now, seemingly out of the blue, scientists have discovered a new blue pigment that uses less ...

Researchers have discovered a new cobalt-doped barium aluminosilicate colourant that withstands the high temperatures found in a kiln and provides a bright colour to glazed tiles. In mineral form, the ...

Tiles produced bright colors when glazed with a new blue pigment (right column) or an acidified version of the pigment powder (left column). Whether ultramarine, cerulean, Egyptian or cobalt, blue ...