Egyptian blue, also known as calcium copper silicate or cuprorivaite, was developed more than 4,000 years ago in Egypt and ...

Deep beneath Rome’s Domus Aurea, archaeologists have unearthed a rare ingot of Egyptian blue — the world’s first synthetic ...

Archaeologists working at Emperor Nero's grand palace in Rome, known as Domus Aurea, have unearthed an extremely rare and ...