For many years the coasts of Italy were lined with what was thought to be inexhaustible coral mines. it is my understanding that coral mining in the Mediterranean is now only open on rare occasion and in very limited amounts. Therefore, old coral jewelry from mediterranean coral is very collectible and priced accordingly. Japan is now the major world supplier of coral used for jewelry.
For centuries science classified coral as either vegetable or mineral. In 1720, Peyssonel, a Frenchman, proved that the delicate branches were the calcareous skeletal remains of thousands of minute sea animals ranging in color from blood-red, to orange, to pink and white.
VALUE: Naturally colored coral has a much higher value than dyed coral. This is why old pawn and antique coral pieces are priced so much higher.
The Native American Indians of New Mexico and Arizona considered coral to be of the highest value and esteem. They called it "red gold". It was thought it could cure anything from blindness to snakebite, brought the wearer good luck, long life and virility.
The Zunis favor deep red coral and the Navajos prefer the red-orange beads. Navajo women considered strands of coral beads a symbol of success and social prominence.
CARING FOR YOUR CORAL: Coral is a porous substance that should be wiped with a clean, damp, soft cloth and dried. Do not soak in soapy water. Ultrasonic cleaning devices may damage your coral. Remove coral rings before doing dishes, swimming or gardening. Apply makeup, deodorant, dosmetics, hairspray, etc. before putting on coral jewelry. Do not expose coral to extreme sunlight or heat as it may be damaged.