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
Tyrian (video game) only one weapon, the Atomic Rail Gun. No other weapons are available; however the ship is able to generate many different weapons when the player performs particular sequences of movements and weapon-firing. The "headlight effect" is always turned on in Super Tyrian, which can obscure objects that are not within a 90-degree field of view in front of the player's ship. "Destruct" is a minigame concealed inside "Tyrian", reminiscent of "Scorched Earth", with human-vs-human and human-vs-computer modes of play. It can be played by typing "destruct" at the main menu screen. In the "Zinglon's Ale" mini-game, players must try to