Rare and physical properties of red coral

Most of red coral were not genuine one; here about its tare and physical properties, I will give you guidance.
Today, the species of coral in China have up to 400, but the red coral are really only 26 kinds. The physical properties of red coral include that: it is hard to carve bone, the color of it is always bright, which are usually blood red, pink, orange or white, and a high magnesium calcium carbonate makes its composition. Rare red coral lives in the deep expanse of ocean, often with the legendary mystery. And it is first saw in the South China Sea. They can be found mostly in the Mediterranean Sea, off the coast of France, and in the Red Sea as well as off the northwestern coast of Africa and sometimes in Japan. It is famous for its beauty; it usually grows in warm, tropical, salty water. Provide food, protection or permanent homes for the animals are the primary functions of the reef, other functions include prevent land from eroding away into the ocean. What’ more, it has a function in healing for those who are in depression, and if you go to a new place, where you will face so many new things and people, you can choose to wear the red coral jewelry, because it can always bring you good luck, and help you in communicating with other people. The last but not least function is that it is also believed to protect the wearer from evil.
These are some of the main rare and physical properties of red coral; maybe you can learn something from it.