It is a substitute stone of diamond. Opal is a birthstone for the person who born in October. Opal is a precious gemstone and is often regarded as the symbol of happiness, hope, and genuineness. When venus occupies waterly sign opal can be recommend. The name Opal was derived from sanskrit “upala“, meaning valuable stone. This was probably the root for the Greek term “opallios” which means as “colour change”. OPAL changes its colour when you wear this. It helps one release inhibitions and enhances the memory. They are effective in use to increase passion in a relationship. Opal is the gemstone for Planet Venus. as per astrology the planet venus represents romance, beauty, Love , charm, sex, modeling, glamour Industry, fashion Industry, cinema, movies, etc . There are two type of opal gemstone. First is Ethiopian opal its also known as Fire opal its give many shining color after contact with sun light and any other light. Second is Australian opal its also known as White opal. Its come in white color with low multi color fire.