But the only natural source of purple dye is a species of predatory sea snail called the Murex snail. These snails can only be found in the eastern Mediterranean and off the coast of Morocco.

Purple dyes were made from the mucous ... They concluded that the workshop primarily used one marine snail species called the banded dye-murex to make the dye. The marine snail is scientifically ...

Pieces of pottery stained with blue and purple dye made from murex sea snails are among the forgotten artifacts that sat in storage for about 50 years after they were excavated. They constitute ...