Gemstones, which stimulate positive and powerful radiation in the body, are mostly made form minerals. Very precious stones, such as pearls or amber are made from living organisms. They are shaped, carved and polished according to the liking. The people made to wear them very close to the skin, to ward off evil. People believe that the more precious the stone is the more powerful effect it has on the body. Gemstones are of different colors and powers. They induce people's body with energy. The colors mirror other natural elements, making it look very beautiful. This can be explained, as Ruby is the stone of the Sun. It is known to protect the people from the harmful effects of the Sun's afflictions, insuring a long life. Ruby is available in red, yellow, and in rose color while Diamond is ruled by Venus. Diamonds are available in white, blue, red, pink and black. It is a symbol for intelligence, good fortune, fame and money. It is one of the most popular and expensive gems, which is worn during weddings, to bring love and prosperity in the marriage.
Usually precious stones are very sturdy and long lasting. However a few can get damaged or chipped off easily, such as pearls, opals and moonstones. These birthstones are usually worn to obtain happiness and success in the lives, but many people wear them for their beauty. The soft stones are an asset for collectors and are very rarely worn. Pearls disintegrate very fast if not taken care of. Pearl being a stone of the Moon protects the people from harmful effects of the Moon. They are available in many colors and shapes. However, flat pearls should never be worn. One should be very careful not to spray perfume or hairspray on the pearls. This is mainly done to prevent damage. Opal is popularly known as the 'queen of gems'. This is a very delicate stone. They are very precious and can be easily damaged. If not set well, they can fall easily. They cannot tolerate sudden change in temperature, which leads to destruction of the gem. It is a symbol of love, romance, beauty and happiness.
There are various gemstones whose significance can be mentioned as follows.
Agate has the significance of Health, longevity, wealth. Alexandrite is usually for undying devotion. Amethyst is useful for deep and pure love, prevents intoxication. Beryl is for happiness, everlasting youth. Bloodstone is for courage and wisdom. Carnelian is useful to prevent misfortune whereas Cat's-Eye usually warns of danger and trouble. Chalcedony is for disperses melancholy and Chrysolite generally gladdens the heart. Diamond is for purity, preserves peace, and prevents storms. Emerald is significant for immortality, incorruptibility, conquers sin and trial. Garnet is for insures power, grace, and victory while hyacinth gives second sight. Jacinth is significant for modesty and Jasper is for courage and wisdom. Moonstone is for good luck. Onyx is useful for conjugal felicity whereas Opal is for hope, innocence, purity, ill-omen. Pearl is for purity and innocence. Ruby is for charity, dignity and divine power while Sapphire is useful for constancy, truth, and virtue. Sardonyx is useful for conjugal happiness while Topaz is for friendship and happiness. Turquoise is useful for prosperity and soul-cheer.
Gems work with both kinds of energy - physico chemical, i.e. electrochemical and pranic, i.e. the vital life force. They are used both as jewellery or taken orally as pastes or oxides as Bhasmas and gems. Every gem is exceedingly radioactive and has the power to attract unusual cosmic rays towards it. Planetary shakes regulates everybody's sensitive tendons or veins. Classics (mythology) speak of the position of planets in the solar and lunar systems at the time of child's birth, influencing every child their entire life. At times, the weak control of planets & stars create disparity in life. Wearing of gems after proper astrological consultation of one's horoscope can save mental instability, physical agony and monetary hindrances. In this manner gems serve as shield and safeguard.
Wearing of these gems regulates the dhatus and the psycho-physical well-being in human life. The Puranas furnish wonderful stories about the origin of gems that transmit the usefulness of the gems. The Karma Purana states that gems were created from the seven different kinds of rays of light, radiating from the seven foremost planets of the solar system. These rays were transmitted in seven colours of the rainbow- Violet, Indigo, Blue, Green, Yellow, Orange and Red. These seven rays of light are responsible for all the celestial existences in cosmos, including the human body. Colours are the frequencies of light in various bands, and therefore they emanate energy in numerous forms, which straightaway influences human body and cognisance. There comprise hot and cold colours and colours that are neutral (neither hot not cold). Hot colours increase heat, which leads to haughtiness and fury; cold colours usher tranquility in life system. The neutral colours give rise to pleasurable feelings and delight.
The chemical nature of gems bring them in close proximity to man. There are crystals of clear and purified chemicals that are also found in the human body. Their contact with the electromagnetic field of the body becomes easier when they are engrafted in pure electrolytes like copper, silver and gold. They are then used in rings, worn between two junctures of fingers. Joints are obviously the tenderest parts of the body, where the network of nerve fibres and the lymphatic fluid together serve as the assimilators of energy emanated by the gems. With their negligible and invariable contact with the skin, they bring alterations in the body chemistry by their interface with the body's energy field, which is interpenetrated by a complex electromagnetic field.
Ancient scriptures from throughout the world have measured gems as authoritative agents of energy that regulates human fortune and destiny, inducts vital energy, and ejects the negative energy that induces illness, distress and psychosis. Gems institute harmony, opulence and contentment. Positive gems produce name, fame and power & makes life relaxed and affluent.
Gemstones act as stores of celestial energy and are used for sculpturing objects of worship, idols, rosaries, talismans (yantras), amulets, pendulums and so on. They were also used for mandalas and pots, to offer holy water or preserving the offerings for consecration. Lingams and yantras in pyramidal shape are manufactured from Sphatik (quartz). It is assumed that yantras carved on stone and rosaries made of precious stones or rudraksha, renders 'siddhi' faster than a rosary made of other beads.
Also read on Gemstones
Types of Gemstones
Gemstones for Planets