Rubies (Manik) is gemstone for Sun. Sun is the most energised and powerful planet among all planets in solar system, and it is considered most important as per astrology for its effects in business, jobs and all work and financial gains. The gemstone is best for people of Leo zodiac sign (Singha Rashi). However, if you need success and want to reduce the negative effects during ‘Sun Period,’ wearing rubies can help. The main source of Rubies is Burma, Myanmar mines. The best pieces are found in Old Burma mines.