Tyrian purple the Iles Purpuraires at Mogador, in Morocco. The sea snail harvested at this western Moroccan dye production facility was "Hexaplex trunculus" (mentioned above) also known by the older name "Murex trunculus". This second species of dye murex is found today on the Mediterranean and Atlantic coasts of Europe and Africa (Spain and Portugal, Morocco, and the Canary Islands). The colour-fast (non-fading) dye was an item of luxury trade, prized by Romans, who used it to colour ceremonial robes. Used as a dye, the color shifts from blue (peak absorption at 590 nm, which is yellow-orange) to reddish-purple (peak absorption at
HMS Tyrian (R67) pennant number F67. From August 1952 until 1956 she was part of the 2nd Training Squadron at Portland. In 1953 she took part in the Fleet Review to celebrate the Coronation of Queen Elizabeth II. In November 1956 "Tyrian" was placed in reserve at Chatham. Between 1957 and 1965 she was part of the Lisahally reserve. She was subsequently sold for scrap and arrived at Troon for breaking up on 9 March 1965. HMS Tyrian (R67) HMS "Tyrian" was a S-class destroyer built for the Royal Navy during the Second World War. "Tyrian" displaced at standard load and at deep