The snails were lured into baited traps or gathered by hand before having their mucous glands delicately ... only natural source of purple dye is a species of predatory sea snail called the ...

have found dozens of pottery vessels and sherds covered with purple and blue stains, evidence that people were producing a coveted dye using liquid extracted from the glands of murex sea snails at ...

A rare dye made from snails for the robes of the Roman elite almost 2,000 years ago has been unearthed at a cricket club. The chunk of Tyrian purple ... was made from the glands of marine snail ...