Excerpt: Once cherished by ancient civilisations from Egypt to Mesopotamia, lapis lazuli, often dubbed "blue gold," continues ...

Lapis lazuli, known as 'blue gold', has captivated civilizations for millennia with its vibrant blue color and historical ...

Archaeologists in Rome have discovered beautiful, ancient paint—but not just any paint. Known as “Egyptian Blue,” it’s among the oldest synthetic pigments in the world, with the newly found ingot ...