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  2. Tyrian purple - Wikipedia

    en.wikipedia.org/wiki/Tyrian_purple

    Tyrian purple is a pigment made from the mucus of several species of Murex snail. Production of Tyrian purple for use as a fabric dye began as early as 1200 BC by the Phoenicians, and was continued by the Greeks and Romans until 1453 AD, with the fall of Constantinople.

  3. Indigo dye - Wikipedia

    en.wikipedia.org/wiki/Indigo_dye

    Structure of Tyrian purple Structure of indigo carmine. The benzene rings in indigo can be modified to give a variety of related dyestuffs. Thioindigo, where the two NH groups are replaced by S atoms, is deep red. Tyrian purple is a dull purple dye that is secreted by a common Mediterranean snail. It was highly prized in antiquity.

  4. Discovery of a Bronze Age dye workshop reveals secrets of ...

    www.aol.com/discovery-bronze-age-dye-workshop...

    Tyrian purple is often described as being a deep reddish purple in ancient Roman times, but depending on the snail used and the amount of heat exposure, the shade could range from a dark indigo to ...

  5. Shades of purple - Wikipedia

    en.wikipedia.org/wiki/Shades_of_purple

    The tone of Tyrian purple displayed above is that tone of Tyrian purple which was the color of "clotted blood", which was considered the tone having the most prestige in ancient Greece and Rome, as recorded by Pliny the Elder. However, the actual tone varied depending on how the dye was formulated.

  6. ‘Mysterious’ purple lump found at ancient Roman ruins was ...

    www.aol.com/news/mysterious-purple-lump-found...

    The analysis identified it as an “incredibly rare” lump of Tyrian purple dye, also known as imperial purple, the company said in a May 3 news release. “For millennia, Tyrian Purple was the ...

  7. Bronze Age workshop reveals precious pigment made from a ...

    www.aol.com/news/bronze-age-workshop-reveals...

    Ancient Greeks and the Romans considered Tyrian purple, first developed in the Bronze Age, an elite, royal color. But the recipe for the long-lasting pigment, made using Mediterranean sea snails ...

  8. 6,6'-Dibromoindigo - Wikipedia

    en.wikipedia.org/wiki/6,6'-dibromoindigo

    6,6'-Dibromoindigo is an organic compound with the formula (BrC 6 H 3 C (O)CNH) 2. A deep purple solid, the compound is also known as Tyrian purple, a dye of historic significance. Presently, it is only a curiosity, although the related derivative indigo is of industrial significance. The molecule consists of a pair of monobrominated indole ...

  9. Purple - Wikipedia

    en.wikipedia.org/wiki/Purple

    Purple has long been associated with royalty, originally because Tyrian purple dye—made from the secretions of sea snails—was extremely expensive in antiquity. [1] Purple was the color worn by Roman magistrates; it became the imperial color worn by the rulers of the Byzantine Empire and the Holy Roman Empire , and later by Roman Catholic ...