By Chisom Ibemere
Fire Opal is a gemstone that has been found worldwide. It is believed to have originated in Mexico, where it was first discovered by the Aztecs. The name “Fire Opal” comes from the vivid red to orange-yellow colour of the stone, which resembles flames.
Fire opals are primarily used in jewellery especially in making rings, earrings, and pendants. They are also useful for decorative purposes, such as in carvings and sculptures. Fire opals are known for their unique and vivid colours and bright, fiery lustre, making them a popular choice for those who want to add a pop of colour to their jewellery collection.
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Fire Opals are predominant in various parts of the world, including Mexico, the United States, Australia, Brazil, Ethiopia, Honduras, and Guatemala. Mexico is the most common source of Fire Opal, particularly in the regions of Queretaro, San Luis Potosi, and Jalisco.
Fire Opal is a variety of the mineral silica, specifically a type of opal mineral that owes its bright colour and fire to the presence of tiny traces of iron oxide. It has a hardness of 5.5-6.5 on the Mohs scale and a specific gravity of 1.9-2.3. Fire Opal can range in colour from pale yellows to oranges, fiery reds, and deep browns. It is generally less expensive than other opals because it lacks the brilliant play of colour seen in other types of opals.
The value of Fire Opal varies depending on several factors, including the size, colour, and clarity of the stone. Fire Opal is generally less expensive than other types of opals, although some high-quality specimens can be quite valuable. Mexico remains the primary source of Fire Opal, and the gemstone is an important part of the country’s heritage and economy.
Fire Opal has also been found in several parts of Africa, including Ethiopia and Tanzania. Fire Opal is found in Jos Plateau in the central part of the Nigeria. They tend to have a light to medium orange colour and can be quite translucent. Fire Opal deposits in Nigeria are not as well known or extensive as those found in other parts of the world.
