An organic substance formed from the hard skeletons of
marine organisms, consisting mainly of calcium carbonate and
magnesium carbonate. In addition to its value as a source of
lime, coral has been used for jewelry and personal ornamentation,
but from ancient times it has also been used in medicine
and magic.
It was believed to stop bleeding, preserve houses from thunder,
and protect children from goblins, evil spirits, and sorcery.
It was supposed to strengthen digestion and, if taken in powder
form, to protect young children from epilepsy. Coral was worn
by children from Roman times.
It has also been used for rosaries as well as for bead necklaces
and bracelets.

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