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The dye is an organic compound of bromine (i.e., an organobromine compound), a class of compounds often found in algae and in some other sea life, but much more rarely found in the biology of land animals. This dye is in contrast to the imitation purple that was commonly produced using cheaper materials than the dyes from the sea snail. [2]
The velvety spines of live sand dollars appear in a variety of colors—green, blue, violet, or purple—depending on the species. Individuals which are very recently dead or dying (moribund) are sometimes found on beaches with much of the external morphology still intact.
Murex was used in antiquity to describe spiny sea snails, especially those associated with the production of purple dye. Murex is one of the oldest classical seashell names still used by the scientific community. Aristotle described these mollusks in his History of Animals using the Greek term πορφύρα (porphyra). [2]
Drupa morum iodostoma (Lesson, 1840) [1] (synonym : Purpura (Ricinula) iodostoma Lesson, 1840 ) (species inquirenda); Drupa morum morum Röding, 1798 [1] (synonyms : Canrena neritoidea Link, 1807; Drupa horrida (Lamarck, 1816), Drupa morum Röding, 1798, Drupa (Drupa) morum morum Röding, 1798; Drupa violacea (Schumacher, 1817); Ricinella violacea Schumacher, 1817; Ricinula globosa Mörch ...
Callianax biplicata, common names the purple dwarf olive, purple olive shell, or purple olivella is a species of small predatory sea snail, a marine gastropod mollusc in the family Olividae, the olives.
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Shell collecting, the precursor of conchology, dates back thousands of years. Archaeologists have sometimes uncovered Stone Age oceanic seashell necklaces in areas far from the ocean, indicating that they were traded, and shell jewellery has been found at archaeological sites around the world.
The FDA has banned Red Dye No. 3 dye from food and ingested drug products. Here are the food products containing Red 3 and how the ban affects you. Red Dye 3 Just Got Banned.