Common Opal is one of the most rarest of all beautiful gemstones

Common Opal is a very popular gemstone for many centuries and is considered to be a mineraloid. Opals are formed from a solution of Silicon dioxide and water. Millions of years ago when silica rich solution ran down through the earth and were carried into the cracks and voids of fossils. The water when got evaporated, left silica behind. This cycle when repeated over longer period of time formed Opal gemstone. Opals are hard to beat as they are available with a wide range of colors and have an eye-catching brilliance. Before you shop for an Opal it is advisable to know certain important points which will help you determine if the Opal is of good quality. Opals are known for their body tone and they are of three types namely black, crystal and white. Black Opal is the rarest of all and is high on price and value whereas gray and semi-black opals are less valuable. Solid Opals are of high value whereas doublets and triplets are considerably less in value. Size of Opal is also essential, bigger the opal, more is the value. Weight in carats is also a way to measure opal’s value. Interplay of color in opal is essential and vibrant play of colors without white spots makes it more valuable. The colors that are most highly treasured are red, orange, yellow, green and blue in order of value. More the inclusion of colors more is the value. The amount of light that an Common opal reflects plays a crucial role in determining its value. Valuable opals show off bright flashes of color when seen in light. If an opal stone is marred by inclusions then they are less valuable. The Opal gemstone blends well with white gold, yellow gold and sterling silver. The prices you can expect for set jewellery ranges from $0.71 to $29,999. Similarly the unset gemstone comes in a range of $1.01 and goes till $4452. Making use of any color enhances the look and takes it to newer heights. The opal stone also looks great with other gemstones set with it and you can choose from a wide variety of gemstones like Amethyst, Black Onyx, Citrine, Dichroic glass, Emerald and many more. Find Quality Common Opal Jewellery at JG Jewellers