Opal is an opaque stone, with a see through surface and some minute tinges of Colours in it that give it its famous firing. Benefits: This gem is said to bestow beauty, power and financial prosperity. This improves intuition and helps magnetize others. It also helps in winning court cases and gives stability in life. Who Should Wear It: E especially good for those engaged in business connected with travel, tourism and import/export. It is an excellent gem for those born in the month of October as it turns them more loving and affectionate in personal and family life.