Coral is the skeletal material of calcium carbonate. Small animals that live in colonies in the sea build this up. It is the emblem of blood and tenaciousness in human life. A variety of forms were used in the Indian jewellery for the earrings, in which pearls, filigree, gems, and coral appeared in floral compositions based on the contrast between the different colours. Corals are beautiful in rings, necklaces, and pendants.

The gemstone related to Mars Planet is coral and its zodiac signs comprise Aries and Scorpio. Coral is usually the anniversary gemstone for the 35th year of marriage.

Origin of Coral
The origin of Coral can be traced back from the erstwhile era. Coral has been given recognition by every astrologer. It is not a mineral; it is a type of organic substance. It is prepared by non-vertebrate sea creature called Isis Nobiles. Coral is found in the shape of a vine branch at approximately 600-700 feet depth inside the sea. Scientists consider it as a constituent of calcium carbonate.

Appearance of Coral
Coral is usually branchlike and occurs in a variety of colours, of which the most sought after are rose red to red. It forms from branching, antler-like structures created from coral polyps in tropical and subtropical ocean waters. When the coral polyps die, the hardened skeleton remains, and this material is what is used as a gemstone.

Colour of Coral
Corals are found in many colours, like red, scarlet, saffron, pink to vermilion red and white. It is of hot disposition. Red, pink, and white coral is mostly calcium carbonate whereas black and golden coral is conchiolin.

Varieties of Coral
Although the class of organic gemstones is rather small, there are a number of very unusual and important gemstone varieties within the group. Fossil coral and agatized coral are rarer and lesser-known related gemstones. Coral is often imitated by plastic, glass, porcelain and stained bone. Natural coral has a distinctive wood grain texture, which can help identify it as the real thing.

Benefits of Coral
Coral creates numerous virtues like valour, tenaciousness, capacity to confront and solve situations and problems and enables a man to take risks. On account of being the dominant gem of Aries and Scorpio, it eradicates hindrances in the way of their good luck and increases their authoritarian power. Men, who are either chicken-hearted or overpowered by their enemies easily, should wear coral. It is also a perfect gem for a blissful conjugal life. Coral is said to protect children and it is given as a gift to children in many countries.