Matches in DBpedia 2014 for { ?s ?p Egyptian blue, also known as calcium copper silicate (CaCuSi4O10 or CaOCuO(SiO2)4) or cuprorivaite, is a pigment that was used in Ancient Egypt for thousands of years. It is considered to be the first synthetic pigment. The pigment was known to the Romans by the name caeruleum. After the Roman era, Egyptian blue fell from usage and the manner of its creation was forgotten. The ancient Egyptian word wedjet signifies blue, blue-green and green.The first recorded use of Egyptian blue as a color name in English was in 1809.. }
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- Egyptian_blue abstract "Egyptian blue, also known as calcium copper silicate (CaCuSi4O10 or CaOCuO(SiO2)4) or cuprorivaite, is a pigment that was used in Ancient Egypt for thousands of years. It is considered to be the first synthetic pigment. The pigment was known to the Romans by the name caeruleum. After the Roman era, Egyptian blue fell from usage and the manner of its creation was forgotten. The ancient Egyptian word wedjet signifies blue, blue-green and green.The first recorded use of Egyptian blue as a color name in English was in 1809.".