Gemstones carry several natural powers that can bring good luck, prosperity, and positive results in the wearer's life. So, they can transform their lives if they hold these crystals according to birth month and zodiac symbol. In Vedic astrology, twelve gemstones are described that represent each month from January to December. So, here we will learn about two of the most gemstones, Opal and Tourmaline, in detail. Let's get started.