Vedic astrology says that even wearing the gemstones at a particular day of the week is believed to have an impact on the positive works. To cover Sunday it is recommended to wear item Ruby to increase the effect of the Sun. On Monday, Moonstone is advised to enhance the attributes linked to lunar energies. Tuesday is also suitable for Red Coral corresponding to Mars for courage and energy. On Wednesday, Emerald backs up Mercury, thus giving it a boost in the areas of intelligence and eloquence. Thursday Kytaon or Yellow Sapphire is recommended to support Jupiter's wisdom and prosperity. On Friday, it is recommended that the wearer put on the Diamond so as to attract the aspect of Venus which is beauty and love. Finally, the seventh day which is Saturday is best suited for Blue Sapphire which is related with regards to discipline and Endurance with Saturn. If your efforts are in harmony with these recommendations you increase your chances of benefiting from the Planetarian forces at work.