Opal stone is a very attractive gemstone. It has suddenly become very popular and desirable due to its beauty and “play of color” (fire) effect. Opal is October birthstone. It is together with diamond is a very effective astrological gemstone for the planet Venus (Shukra). Opal is an astrological gemstone from the planet Venus – Shukra. Venus symbolizes the desires of the human being. Opal is worn for marriage happiness, love, relationship, companionship, fertility and compatibility. Opal should be worn on silver or any white metal alloy such as white gold and platinum. Opal should be worn on the index finger on Friday. Opal gemstone needs to be activated, energized and purified properly for best results. Opal is worn on the index finger on Friday. The ring should be made of silver or other white metal alloy. Opal stone should be worn on the index finger for astrological benefits. Opal can also be worn on the pendant. Wearing opal brings love and happiness in life.