murex mussel muscle mouse

Murex or, much less interestingly, rock snails, are a genus of tropical-sea dwelling predatory molluscs. Tyrian or Royal Purple, a deep red with a purple tint, is a dye made from the mucus of these creatures. First used over 3000 years ago, the dye was highly prized by the Romans. It was difficult to extract and therefore expensive and, unlike many other natural dyes, the colour improved with age and exposure to sunlight. Use of the dye continued until theRead more