Washington State University researchers recreate lost Egyptian blue pigment using ancient methods and modern scientific ...

Rock and mineral collecting is a popular hobby for amateur and expert rock fans alike. Some of the most popular minerals for collecting is azurite and malachite, a pair of copper carbonate minerals.

Dark pigment painted around ... all of which were made from rocks, minerals, and plants in the region. Cleopatra used the bright green malachite paste of the ancient Egyptians on her lower eyelids.

Dark pigment painted around ... all of which were made from rocks, minerals, and plants in the region. Cleopatra used the bright green malachite paste of the ancient Egyptians on her lower eyelids.