Ultramarine Blue

Available versions:


Between the end of the XVIII and the beginning of the XIX century, it people began to realize that the blue color of lapis lazuli could be artificially produced. In the early decades of 1800 it was understood how this could be done and ULTRAMARINE BLUE thus began to be produced. The process is quite simple and involves non-toxic inorganic reagents. The final product is a aluminosilicate with sulfur and sodium entrapped in its lattice. It's just sulfur under these conditions to give its typical blue color.
As Nila Colori we chose to prepare this watercolor, even from a synthetic pigment, because it recalls a similar mineral present in nature and to allow everyone to use this magnificent color, at a price that lapis lazuli does not allow to have.

Code: UMB

Coloring agent: Sodium polysulfide and aluminosilicate

C.I.: PB29

Lightfastness: 5/5

Transparency: Semi-transparent

Series: 2

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