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 secretions ... workshop primarily used one marine snail species called the banded dye-murex to make the dye. The marine snail is scientifically known as ...

The much sought-after source of purple dye came from one of the glands of a sea snail called the murex. This particular shade, known as Tyrian, was unusual because it didn’t fade and became more ...