Please tell me my....?

Hi ;D
I'm a new User.So i want to know my Gemstones which are suitable for me.Here are my details:
-Name: Uzma Barekzai
-Date of Birth: 19.04.1972
-Place of Birth: Lahore in Pakistan
-Time of Birth: Between 11 and 12 O'clock morning.
I already asked this Question in a yahoo forum.And a user called Ricky told me to wear pearl in third Finger.Is the third finger ring finger or the middle finger? So which one is the thrid finger? And My Sign is Aries Sun.My Planet is Sun.Please tell me where i should wear Ruby ? and which Hand and finger,day and time??? The user told me to wear Yellow Sapphire,Ruby and Pearl.
I'll wait for your answers.Thanks a lot.Bye. ;)