Azurite has been used as blue pigment for centuries; extensively used in Egypt, East Europe and China. It is a soft, deep blue copper mineral produced by breaking down copper ore deposits.
Monday, December 30, 2019
Wednesday, May 1, 2019
ULTRAMARINE BLUE : Colour of the month #9
Throughout
history, blue colour was unobtainable or rare. Humans took many years to discover,
understand and work with this colour. It
wasn’t easily found in nature making it quite difficult to extract. One of the
most expensive blue colours in history, even more than gold is Ultramarine Blue
due to its extensive production process and its origin.
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