The malefic power realized by the planets is always negative and the power of the gem is always positive. As such wearing of a gem neutralizes the malefic power as released by the planet. For finding out your present planetary position we need your Date of Birth, Time of birth / Place of birth which are very essential, with these we will find out the present planetary positions and your birth star and advise you the right kind of gem to be warn for this period. The gem will only counteract the negative effects to some extent during the negative phases and increases the positive vibrations during favorable times. A gem is only a means and not the end of sorrows, obstructions etc. Do not believe in any one who says all your problems will come to an end after you start wearing a gem.