pukhraj is very usefull ratna of all persons of all rashi and specially for the peoples having strong GURU. it is ratna of brahaspati. Peela pukhraj stone is very hard stone. It should be cleaned with warm water and soft brush. Peela Pukhraj is the gemstone ruled by Jupiter.Most people relate Sapphire to the color Blue. Sapphire is a form of Corundum (ko-RUN-dum), readily available in an array of other colors: Pink, Golden, Green, peachy Orange, Purple and Colorless. Jupiter is a natural benefic planet and represents good fate and fortune, divine guidance, divine grace, education, power of speech and knowledge.