Navaratna although in the west, different gems have been recommended to tally with the Date and Month of birth, Numerology and sign of the Zodiac, in India Astrology, it is not that simple . A numbers of factors have to betaken in to consideration and a Horoscope(Janma patrika) has to drawn up with the position of various planets and their influence during various period in life before gems are advised for wear. However the navratna (nine gems ) are suitable for almost all person. It is believed that the nine stones when worn bring one abundant Wealth, Happiness, Renown, Longevity, Honor and Mental peace.

No weight is prescribed, as such, for the stones but the gems should be Flawless and Genuine. An Auspicious time and day should be determined for the wearing and if necessary a Havan (Ritual fire) or Puja performed. The gems should be set by a knowledgeable jeweller (in a particular format ) either in gold or silver.

The age -old tradition of Ayurveda too believed that cosmic energies permeated the universe and conditioned life through fundamental color. Ayurveda believes that there exits a relationship between these cosmic forces and the color of the rainbow, of gems, of metals and human beings. Each fundamental color has a corresponding stone acting radiating centre of energy and each person has a gem that is beneficial to him. So for a total rounded protection barrier, is the navratna that is replied upon - each planet, the sun and the moon are take care of. How these corresponding nine gems are set into a ring or pendant is determined by the astrologers and in some cases may vary according to individual horoscopes. One of the more common setting has the Ruby, representing the Sun in the centre; the Diamond (Vajra) representing Venus in the east; a Sapphire (Indranil) representing the Saturn in the West; a Cat's eye (Vaidurya) representing Ketu in the North; a Coral (Moonga) representing Mars in the South; an Emerald (Marakatam) representing Mercury in the North East; a Jaicinth (Gomed) representing Jupiter in the North West of the Navratna Pariksha.

The qualities of the navratna have been intoned by Rabindra Nath Tagore too. Also according to him, a person who wears a Rudraksh along with Pearls, Corals, Crystals, Cat's eye, Silver and Gold, propitiates Shiva. The Navalakha Haar or necklace worth nine lakhs also figures in many a Folk tales. it is said to protect the wearer from danger, hunger, thirst and death. The sparkle of this necklace gives enough light to serve as a lamp

Gems are prescribed for the wear in accordance with a person's date of birth and the particular Sun sign that they fall in. Opinions on this vary greatly and individuals are advised against investing in a precious or semi-precious unless they firmly believes in their efficacy

Precious Gems Precious Gems are among our civilizations most prized possessions. They have been held with high regard throughout history by virtually all societies around the globe. In fact, precious metals, such as gold and silver, have long been used as the basis for a system of barter.

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How Gemology works:

Gems generate constructive vibrations in the body. This helps counter the negative malefic powers released by the planets. When a specific gem is worn, it emits positive energy and provides a protective aura for the wearer.

Wearing of gems:

Gems should be worn after a proper selection. One should wear gems based on the planetary positions in the individual's horoscope. A trial period should be incorporated before any gem is worn. The proper purification and activation of a gemstone makes it effective. Gems should be worn after a pooja is performed in order to ward off negative planetary influences.

It takes several months before the positive vibrations are activated, but the moment it is removed, the beneficial effect is instantly lost.