purple dye murex
Numéro d’image : 11655061
| purple dye murex (Bolinus brandaris) (Gastropod) on a beach in Israel,a sea snail. Murex was at one time greatly valued as the source for purple dye. It discharges a purple ink from the hypobranchial gland in the mantle cavity as a smoke screen,from behind which it can flee. The Phoenicians,centred on Tyre,gathered the snails,crushed & boiled them with salt for several days to extract the ink. The liquid was allowed to cool & over a period of time the colour changed for yellow to green to blue & then a rich purple. The extraction of the ink & the manufacture of purple cloth made Tyre a household word in the past | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Photostock-Israel |
| Taille de l’image : | 5910 px × 2977 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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