At the interface between the solid and liquid phases, or at the interface between two different liquid phases, the molecules of the two substances in a unit area, each relative to the sum of the excess free energy of the same number of molecules in the interior of the phase, It is called interfacial tension.
Coral has been called the 'garden of the sea'. It was once believed to be a plant, but is now known to actually contain living animals called polyps. Coral is the result of accumulated skeletal masses from these polyps. Red is considered the most sought after color but coral also can be found in pink, white, yellow and Black.
Records dating back thousands of years confirm that coral was used in decorative art objects. It was believed to prevent ill fortune and offer protection from skin disease when worn as a necklace. Dreams about coral are believed to foretell recovery from a long illness. Ancients believed that Mars was composed of Red Coral.
Coral is a good aid for meditation or visualization.Coral symbolizes life and blood force energy. Dark red coral is used for heating and stimulating the bloodstream. Pink shades restore harmony to the heart. It is used as an aid to depression, lethargy or deficient nutrition.
Locations where coral can be found include the Mediterranean Sea, off the coast of Australia, the South Pacific, the waters of Japan, and Africa.
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