Zircon is a widely known gemstone which is often used as a substitute for diamond. It is a beautiful gemstone and is available in a number of colors. Its wide variety of color has made it a popular choice for making jewelry. You can make rings, pendants and many other forms of jewelry with zircon. The sheen of this gemstone is because of its high refractive index. Apart from all these properties that the stone possesses, it has many spiritual and astrological benefits. It is also known as 'Gold Stone' in Arabic.