Natural Marcasite is a variety of Quartz that contains iron, manganese and other minerals. This stone is also called "chrysoprase" or "chrysoprase" because of its green to yellow-green color. It's often called "marcasite jade" or "mock emerald". Marcasite jewellery is typically made up of small stones in gold settings. It can be used as a substitute for emeralds when the latter is too expensive. Brown Oval Natural Marcasite Gemstones , For Jewellery Marcasite is a gemstone that is in the form of brown, oval stones. It is often used in jewellery. Marcasite is a gemstone that has been mined for over 2,000 years. Marcasite can be found in many different colours but brown oval natural marcasites are the most common. Marcasite has been used for centuries as jewellery and it has been favoured by many cultures throughout history including the Egyptians, Greeks and Romans. This type of Marcasite can be found all around the world but some of the most...