The fleece is allowed to soak for five hours and after it has been carded, it is dipped again, until it soaks up all the juice. Pliny then continues his narrative regarding the production of different hues of purple by mixing various snail species, and also discusses the robes bearing purple coloration as well as the extravagant prices of such purple dyeings. The Bible also mentions two closely related zoologically and chemically sacral dyeings, which modern chemical and historical research has also discovered to be produced from either the same or different Muricid sea snail species: the Biblical blue, tekhelet, and the Priestly purple, argaman.
