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The surprising reason why almost no flags feature the colour purpleAnd the bizarre explanation stretches back to the ancient world and the exorbitant price of a rare sea snail. In the video, Mr Jackson explains: 'No country uses purple as a base for their flag or ...
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Discovery of a Bronze Age dye workshop reveals secrets of history’s most precious pigmentTyrian purple was a highly prized pigment developed ... produced from Mediterranean sea snails, for its resistance to the inevitable fading of plant-based dyes used at the time.
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