Manikya or ruby, is a red sapphire and often regarded as the king of gems or ratnaraj. It is a very brilliant, hard, durable and wearable stone.
Manikya or ruby balances Surya (sun). Surya represents the king of the solar system in Jyotish. It also represents authority, power, Self, father, body, health, devotion, happiness, healing, beauty, love, passion, integrity and friendship. It makes a person bold and courageous and eliminates depression. It enhances name and fame. It also evokes warmth, inspiration, prosperity, high energy and leadership ability. Ruby will protect one from ill health and grant success in administrative fields, freedom from enemies, debts and diseases. It ensures a long life and promotes independence.
It helps to cure peptic ulcer, fever, rheumatism, gout.
Depending on the placement of Surya in your birth chart, the wearing of a ruby may be very auspicious in strengthening the positive influences of Surya.