"Over the sea" meaning "Ultramarine"Has been valued by artists as an expensive color rather than gold and has pushed the family of artists to the bottom of poverty. What is it with Ultramarine? So, ...
Ultramarine as a pigment has artificial and natural ones, but natural raw material for ultramarine is gemstonelapis lazuliis. Lapis lazuli was first used as a pigment in Afghanistan temples, and ...
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