In astrology, it is believed that wearing or having certain colors and gemstones on certain days in a week can boost our energy and luck. The most appropriate colors for representing Monday are white and silver and it is recommended to use pearls in order to regulate the emotional sphere. Tuesday, under the sphere of Mars, prefers stones of the red or coral hue like red coral to advance courage and action. Wednesday, associated with Mercury, favors green or emerald to improve speaking and thinking abilities. Thursday lucky color or gemstone under Jupiter is yellow or topaz and it is useful for growth and prosperity. Friday that is governed by Venus is the right time to wear something that is of light blue color or to adorn oneself with diamonds in order to capture love and harmony with other people. Saturday with the governance of Saturn suggests that one should wear black clothes with blue sapphires in order to gain discipline and success. Sunday governed by the Sun acquires the attributes of gold and ruby to portray confidence and vitality.