From =BBC News Devon Van Houten Maldonado - Features correspondent Edited by Amal Udawatta Museo Nacional de Arte de Mexico The colour survives in the work of 17th Century Spanish colonial painters, a symbol of the wealth that ultimately doomed the Maya, writes Devon Van Houten Maldonado. In 17th Century Europe, when Michelangelo Merisi da Caravaggio and Peter Paul Rubens painted their famous masterworks, ultramarine blue pigment made from the semi-precious lapis lazuli stone was mined far away in Afghanistan and cost more than its weight in gold. Only the most illustrious painters were allowed to use the costly material, while lesser artists were forced to use duller colours that faded under the sun. It wasn’t until the industrial revolution in the 19th Century that a synthetic alternative was invented, and true ultramarine blue finally became widely available. During colonisation Maya b...