What is 'cobalt' in Latin?

Cobaltum is the Latin equivalent of 'cobalt'. The use of cobalt based colors and pigments in jewelry and paints goes back to ancient times. But the word isn't found in the classic Latin vocabulary of the ancient Romans. Instead, the word appears in the Latin vocabulary of post classical times.

Cobaltum is the Latin equivalent of 'cobalt'. The use of cobalt based colors and pigments in jewelry and paints goes back to ancient times. But the word isn't found in the classic Latin vocabulary of the ancient Romans. Instead, the word appears in the Latin vocabulary of post classical times.