Ruby (Manik) is selected as the King of gemstones due to its association with Sun. Ruby Stone is a shielding stone which generally offers good health and immunity to the wearer. Ruby stone is also known to inspire creativeness, insightfulness and feel the affection and brings spirituality and confidence. It also helps in increasing mind power of a person. It improves blood circulation in an individual.. It also helps in developing mind power of a person. Ruby stone worn by men signify manhood and nobility, while rubies worn by women invoke passion and power. One of the major perceived medical benefits is that Ruby Gemstones improves blood circulation in an individual. Wearing a natural ruby can help overcome timidity. For individuals who find it hard to make themselves heard, it is a fantastic gemstone for it gives support to the “self”. In a horoscope, the Sun is a natural aatmakaraka and wearing a ruby gives boost to it.