When there are any deficiencies in the energy levels of a Planet in a human being, the related problems concerned to that Planet will result. So it is wise to fill these deficient energies, by wearing gems. This is the route to achieve health, happiness and prosperity in life.
Ruby: Ruby is generally available in dark red, and glows like morning sun. Wearing a Ruby protects a person from afflictions of Sun, heart weakness, headaches, general ill health, eye troubles, blood pressure etc.
Pearl: It is in white color with a streak of oceanic blue. Wearing a pearl protects a person from diseases of lungs and stomach, water-born diseases, emotional problems, and impulsive decisions.
Coral: A good coral will be red in color. It is used to get rid of skin diseases, fevers, accidents, abortions, burns and enmity with others.A Coral increases practicality, quickness in doing the things and vigor.
Yellow Sapphire: It would be yellow or white in color. Yellow is preferred. It is used to get the grace of God, children, education, and high position in job or business. It is used to get success in legal problems, digestion and liver problems.
Blue Sapphire: This is in dark blue or black in color. Nervous problems, delays, serious ill health, diseases of teeth, ears, rheumatism, aging, problems in service and business can be controlled by wearing a Blue Sapphire.
Emerald: This gem is in green color, causing the power of intelligence, presence of mind, right decisions in business, communication, speculation, scientific education. It can be worn to escape from madness, stammering, and nervous problems.
Diamond: This is a very precious stone with bright white color. Delays in marriage, bad married life, diseases of reproductive system, lack of luxuries in life can be overcome by using a diamond.
Hardness of diamond: 10, Specific gravity: 3.52, Refractive index: 2.4175.
Hessonite: This is in honey color and eliminates problems like cholera, dysentery, hallucinations, and problems from evil spirits.
Catís eye: This is in white color with a circular band around in grass color. It alleviates problems like paralysis, contaminated diseases, infections, intestinal disorders and increases religious nature in a person.
Any gem should be purified and then loaded with positive vibrations of concerned planet, by chanting the relevant Mantra during a period of time. Then it should be worn in a ring to a suitable finger of right hand on an auspicious day. But first of all take the help of an Astrologer to determine which gem is suitable for you. Keep in mind that if you wear an unsuitable gem, you are inviting more problems.