Red Coral
Red coral is the gem stone of mars.it is red color opaque gem stone.
- Chemical Formula: CaC03
- Specific Gravity :2.6 to 2.8
- Hardness : 3.5 to 4
- Refractive Index : 1.486 to 1.658
- Density: 2.65
Who can wear Red coral
1) People having Aries, Cancer, Libra, Scorpio, Pisces ascendant in their birth chart can wear Red coral after consultation of astrologer.
2) People having moon sign having Aries and Scorpio can wear Red coral after consultation of astrologer.
3) Red coral is also beneficial for the people who are wrestler, army officers, spots man, who have blood related disease, mechanical & electrical engineers

1 - Chemical composition
The chemical composition for the natural Red Coral is CaCO3