The coal jade has a hard texture and a fine structure. It is brighter than coal and is a lighter material than coal. So far, no coal jade has been found in other parts of the world. Because of its horizontal and vertical texture, it has become an excellent raw material for engraving. Coal jade is also called coal fine. The ancients called graphite fine. It is a unique and precious special product of Fushun West Open-pit Coal Mine. It was produced in the Cenozoic Tertiary of about 30 million years ago and is hidden in the sea of ​​tens of meters or hundreds of meters. It is covered with vermiculite and coal under the coal. It only survives in the small area of ​​the central open-pit coal mine. The usual thickness is only one or two feet. Let's take a good look at the origin and characteristics of coal jade.
Where are the coal jade producing areas?
Where is the coal jade producing area, coal fine jewelry is quite popular in the West. In the Victorian era, due to the preference of Queen Victoria, the fine jewelry was so popular in the second half of the 19th century. In Europe, coal is still one of the commonly used jewelry. Black has solemn and solemn meaning. In history, people often wear coal jewelry during the mourning period to express their condolences to the dead.
In the Japanese jewelry market, coal is also a long-lost jewel. Due to the discovery of high-quality coal raw materials in China in recent years, coal fine jewelry has recovered in the Japanese market. The new coal fine jewelry developed by a Japanese company is very classic and elegant. It is said that the sleek bead collar is very popular. Coal fines are the products of ancient wood petrochemicals. They are light in weight and suitable for wearing. Together with the price competitiveness, they will be loved by consumers of different ages.
Coal jade origin and its characteristics
Coal jade origin and its characteristics _ price _ variety introduction evaluation, coal fine jewelry is quite popular in the West. In the Victorian era, due to the preference of Queen Victoria, the fine jewelry was so popular in the second half of the 19th century. In Europe, coal is still one of the commonly used jewelry. Black has solemn and solemn meaning. In history, people often wear coal jewelry during the mourning period to express their condolences to the dead.
Introduction of the origin of coal jade
Coal jade is a variant of lignite. It is formed by the joint action of pressure and temperature during the long-term geological process.
The weight of the coal jade material is up to several hundred kilograms, and the small one has three or four kilograms. Mining with coal, production is scarce. Because it is precious and difficult to ask, people of ancient Rome called it the name of "black gems." Nowadays, with the depletion of mineral deposits, coal jade crafts have been regarded as the treasures of the world, and their economic value and collection value have been increasing and rising. In the past auctions, once there is the appearance of coal jade art, It was shot at an amazingly high price and was eagerly purchased and collected by domestic and foreign people.
The world's high-quality coal jade is mainly produced in the coastal areas of the United Kingdom's Yorkshire Fethibi, France's Languedoc province, Spain's Aragon, Galicia and Asturia, and China's Fushun, Colorado, USA. The coal jade in El Paco County can be finely polished.
Other coal jade such as Utah, New Mexico, Germany, Canada, etc. are of poor quality. Coal jade was formed in the Cenozoic Tertiary about 30 million years ago, hiding in the sea of ​​tens of meters or hundreds of meters. It is covered with vermiculite and coal, and the bottom is coal jade. It only survives in a small area in the middle of open-pit coal mines, and its usual thickness is only about one or two feet. The coal jade has a hard texture, a fine structure, and is brighter than coal. It is a special material that is slightly lighter than coal.
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