Opal stone is a very attractive Gemstone. Opal has suddenly become very popular and desirable due to its beauty and ‘play of color’ (Fire) effect. Opal is Birthstone of October month. Opal along with Diamond is very effective astrological gemstone for Venus (Shukra) Planet. Opal is astrological gemstone of Venus – Shukra planet. Venus symbolizes the desires of human being. Opal is worn for marital bliss, Love, Relationship, Companionship, fertility & sexual compatibility. Opal should be worn in Silver or any white metal alloy like White Gold and Platinum. Opal should be worn in index finger on Friday. Opal gemstone should be properly activated, energized and purified for best results. Opal is worn in index finger on Friday. Ring should be made of Silver or other white metal alloy. Opal Stone should be worn in index finger for astrological benefits. Opal can be worn in pendant also.