Golden Fleece origin of the myth of the golden fleece—unless they call them Iberians, by the same name as the western Iberians, from the gold mines in both countries." Another interpretation is based on the references in some versions to purple or purple-dyed cloth. The purple dye extracted from the purple dye murex snail and related species was highly prized in ancient times. Clothing made of cloth dyed with Tyrian purple was a mark of great wealth and high station (hence the phrase "royal purple"). The association of gold with purple is natural and occurs frequently in literature. Jason attempts to put
Tintin and the Golden Fleece swims away, but fortunately Calculus has invented a special tablet called "Super-Cuthbertoleum" which, mixed with the remaining fuel, is more than enough to get the boat started and enables them to reach their destination, the island of Thassika. The map includes an X just off the island's coast and, using his pendulum, Calculus locates the gold's location. Swimming underwater, Tintin discovers a chest filled with strange dark bars but which he guesses is the gold which has been painted over. No sooner have the members of the Golden Fleece got the chest out of the water that they are held